To help you find your dream 9-inch mattress, we researched dozens of options and tested several for durability, comfort, and more. Here are our top picks.
Our Editor’s Best 9 Inch Mattress Reviews
Best Price Mattress 9″ Gel Infused Memory Foam Mattress, Twin, White

Key Features:
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The Sleep Cool Layering System mattress has 1.5″ gel-infused memory foam and 1.5″ ventilated comfort foam. This combination of foams helps to keep you cool and comfortable while you sleep. The mattress is 9″ thick and has a soft, plush feel. It is perfect for side and back sleepers.
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The mattress is 9 inches thick with a base layer of 6 inch high-density foam for support and long-lasting durability.
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The 9 inch mattress is a mattress that is designed to provide both comfort and support. It features a layer of gel that is meant to help keep you cool and comfortable while you sleep.
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This mattress is made with a knitted poly-Jacquard cover and has satin piping around the border. The bottom of the mattress is non-slip to prevent movement.
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The mattress is made of memory foam and is 9 inches thick. It is CertiPUR-US certified, meaning it is made without harmful chemicals, and has a 10-year manufacturer warranty.
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The 9 inch mattress has a 100 night risk-free trial, which means that if you are unsatisfied with the mattress, you are eligible for a full refund up to 100 days from the date of receipt.
Jingxun Twin Mattress 9 Inch Premium Gel Multi Layered Memory Foam Bed Mattress in a Box Foam Twin Size Mattress for Cool Sleep & Pressure Relief,Easy Set-Up

Key Features:
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This 9 inch mattress is made of foam that has been certified by CertiPUR-US and Oeko-Tex Standard 100 as being free of harmful substances like formaldehyde, mercury, and other heavy metals. The mattress may have a “fresh foam” odor when first unpacked, but this is harmless and will dissipate in a few days.
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The 9 inch mattress is designed for deep sleep with all-foam bedding and memory foam. It is also skin-friendly and breathable, with a specialized foam that reduces motion transfer for undisturbed sleep.
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The JINGXUN 9 inch Gel Memory Foam Mattress is a three-layer all-foam mattress that includes 2.5 inches of memory foam, 2 inches of comfortable layer, and 4.5 inches of high density base support foam. It also has a soft hypoallergenic cover layer that helps with allergies.
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This 9 inch mattress is easy to transport and set up. It is compressed, rolled, and shipped in a box to your door. It fits all Full size frames, such as box Spring, floor, slatted base, flat platform. Recovery of 72 hours is recommended for your new mattress to get to its original, plush shape and dissipate the odor.
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The shopper can expect to get a good night’s sleep on this mattress. It is made of high quality materials and is designed to last. The company offers a 10 year warranty on the mattress, so the shopper can feel confident in their purchase.
ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, Queen

Key Features:
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The mattress is 9 inches thick and is made of steel. It is a box spring mattress that does not require a box spring.
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The 9 inch mattress is a durable and sturdy mattress that is perfect for those who want a firm and supportive mattress. The mattress is made with a steel frame and is designed to support a maximum weight of 350 pounds. This mattress is perfect for those who are looking for a durable and supportive mattress that will last for years to come.
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This mattress is 9 inches tall and is perfect for shorter mattresses or for those who enjoy their bed higher off the floor.
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The 9 inch mattress is a memory foam mattress that is shipped in a compact box to your door. It includes all parts, tools, and instructions needed for set-up.
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This is a 9 inch mattress that comes with a 5 year limited warranty. You will need to purchase a box spring or bed frame separately to use with this mattress.
Greaton Ultra Soft-Premium Zippered Mattress Protector with Breathable and Noiseless Feature, Water Proof, Premium Quality Fabric Zippered, Fits Mattress 6-Inch to 9-Inch, Queen, White

Key Features:
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The 9 inch mattress has a soft and water-resistant cover that lets you have a cozy and enjoyable sleeping experience each time. This is carried out through the high-quality cotton layer of the mattress cover.
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This 9 inch mattress has a top-notch and long-lasting zipper that will keep your mattress protected at all times.
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The 9 inch mattress has a removable cover that can be machine washed or hand washed. It is made of a soft material that is comfortable to sleep on.
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This 9-inch mattress features a hygienic protector cover that protects against dust, waterlogs, and challenging stains. You’ll be able to sleep soundly on this mattress without being disturbed by mattress bugs.
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This 9 inch mattress has a mattress protector with a zipper cover so you can easily remove and wash it. Do not iron, bleach, dry clean, or use solvents.
Best Price Mattress 9 Inch Signature Gel Memory Foam Mattress, Cooling Gel Infusion, Twin

Key Features:
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This mattress is perfect for hot sleepers who want to sleep cool and in comfort. The cooling system and medium firm memory foam make it a household essential.
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This mattress is perfect for those who are looking for a comfortable and supportive option. The gel-infused memory foam and ventilated pressure relief foam work together to provide a comfortable sleeping surface, while the high density foam base provides long-lasting durability and support.
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The 9 inch mattress has a cooling gel infusion in the memory foam layer to help reduce trapped heat, and a ventilated foam layer to increase airflow for fresh sleep.
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This mattress is made with body conforming foam layers that provide total relaxation and relief from pressure points in key body areas. It is 9 inches thick and perfect for those who want a comfortable, restful night’s sleep.
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The mattress is a 9 inch mattress that is made with CertiPUR-US certified foams. It is ingeniously packaged and delivered to your door with a 10-year manufacturer’s warranty for defects.
PrimaSleep 9 Inch Multi-Layered Memory Foam, Twin Mattress, White

Key Features:
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This 9 inch mattress is made of memory foam and will expand to its full size over the course of 24-72 hours. The expansion time may vary depending on the temperature of the room.
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This 9 inch mattress will take 24 – 72 hours to expand to its full size. The expansion time will vary depending on the temperature of the room.
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The mattress is 9 inches thick and is made of multi-layered foam. The gel foam helps to disperse temperature accumulation to keep the sleeping experience cool.
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The 9 inch mattress has a convoluted foam that provides better ventilation and disperses body pressure. The 5 inch HD foam supports your back.
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The 9 inch mattress has a poly jacquard cover that protects the mattress and keeps it clean.
Jingxun Queen Size Mattress 9 Inch Gel Memory Foam Queen Mattress for Cool Sleep & Pressure Relief, Premium Gel Multi Layered Memory Foam Bed Mattress in a Box, Easy Set-Up

Key Features:
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This 9-inch mattress is made of foam that has been certified by CertiPUR-US and Oeko-Tex Standard 100 to be free of harmful substances like formaldehyde, mercury, and other heavy metals. The mattress may have a “fresh foam” odor when first unpacked, but this is harmless and will dissipate in a few days.
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This 9 inch mattress is constructed with three layers of foam, including 2.5 inches of memory foam, 2 inches of comfortable layer, and 4.5 inches of high density base support foam. It also has a soft hypoallergenic cover layer, which can give you ultimate comfort.
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This 9 inch mattress is made of memory foam and is designed to be comfortable and breathable. The mattress has a skin-friendly fabric that helps keep the surface at a comfortable temperature. The mattress also has a buoyant, no-sink support foam that conforms to your body for optimal pressure relief.
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This mattress is a full size mattress that is shipped in a box and is easy to set up. The mattress is compressed, rolled, and shipped in a box to your door. The mattress will take 72 hours to recover to its original shape and dissipate the odor.
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This mattress is 9 inches thick and is made by the brand owner and maker. It comes with a 10-year warranty and has a 95% satisfaction rating from customers.
Olee Sleep 9 Inch I-Gel Multi Layered Memory Foam Mattress, Twin, White

Key Features:
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This 9 inch mattress is made of memory foam and will take 24-72 hours to expand to its full size. The expansion time will vary depending on the temperature of the room.
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This is a 9-inch mattress that contains three layers of foam. The top layer is I-gel cooling foam, followed by air flow convoluted foam, and finally high density support foam. This mattress is designed to provide a comfortable and cooling sleeping experience.
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The 9 inch mattress has cooling foam and air flow convoluted foam to keep the mattress from getting too hot.
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This mattress is 9 inches thick and has a memory foam layer as well as a high density layer to support your body and distribute weight evenly. This mattress is designed to provide a good night’s sleep.
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The 9 inch mattress is built with CertiPUR-US certified memory foam layers. This means that the mattress is made with high-quality memory foam that has been certified by an independent organization to meet specific standards for safety and performance. The mattress is also designed to provide a comfortable sleeping surface with a supportive feel.
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The 9 inch mattress is a perfect balance of cool and comfort. It is perfect for any shopper who wants a comfortable and cool mattress.
Olee Sleep 9 Inch Multi-Layered I-Gel Infused Memory Foam Mattress, Twin, White

Key Features:
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This 9 inch mattress is made of memory foam and will expand to full size in 24-72 hours. The expansion time will vary depending on the temperature of the room.
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The 9 inch mattress has three layers of foam: a 5 inch layer of Dura I-Gel foam, a 5 inch layer of Dura HD Convoluted foam, and a 5 inch layer of Dura HD foam.
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The 9 inch mattress has I-Gel foam that draws foam heat away from the body, keeping you cool during sleep.
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The 9 inch mattress features convoluted foam that provides better ventilation and disperses body pressure. This makes it a great option for those who want a comfortable and supportive mattress.
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The 9 inch mattress is made with HD foam that will properly support your back. It is also designed to be comfortable and provide good airflow.
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The 9 inch mattress is a mattress that is compressed and delivered in a box to your front door.
PrimaSleep 9 inch Aurora Multi-Layered I-Gel Infused Memory Foam Mattress, Full

Key Features:
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This 9 inch mattress is made of memory foam and will expand to its full size after being delivered and left in a warm room. It may take longer to expand in cold temperatures.
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The mattress is made of three layers of foam, high-density foam, convoluted foam, and i-gel foam. It is designed to provide better ventilation and disperse body pressure.
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The mattress is made of multi-layered foam which helps to regulate the temperature and provides support and stability for all kinds of sleepers. It is 9 inches thick and provides a comfortable sleeping surface.
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This memory foam mattress is 9 inches thick and is certified by CertiPUR-US, meaning it is made without harmful chemicals and meets their standards for safety and performance.
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The 9 inch mattress is compressed and delivered in a box directly to your front door. This mattress is perfect for those who want a firm, supportive mattress that is still comfortable. The mattress comes with a 10 year warranty, so you can be sure that it will last.
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The mattress is made of memory foam and will expand to its full size within 24 to 72 hours. However, in cold temperatures, it may take longer for the mattress to expand fully.
9 Inch Mattress FAQs
1. What are the dimensions of a 9 inch mattress?
A standard inch mattress is typically 80 inches long and 60 inches wide.
2. What is the price range for a 9 inch mattress?
A inch mattress can cost anywhere from $100 to $1,000.
3. What is the firmness level of a 9 inch mattress?
Firm mattresses are typically between 7 and 9 on a firmness scale of 1 to 10, with 1 being the softest and 10 being the firmest.
4. What is the weight limit for a 9 inch mattress?
There is no definitive answer to this question as it depends on the specific mattress in question. However, most mattresses have a weight limit of around 250 pounds.
5. What is the warranty for a 9 inch mattress?
There is no universal answer to this question as different manufacturers offer different warranties for their products. However, it is generally recommended that you look for a mattress with at least a 10-year warranty. This will give you ample time to assess the quality of the mattress and determine if it is right for you.
Conclusion
There are many great 9 inch mattress on the market. Our list of the best 9 inch mattress will help you save time researching and choosing the best one for you.