About our Foam: Our foam is certified for suitability. Our foam features are Density:1.8 Compression:44 ILD, with recovery durability. Our foam is great for revitalizing your worn-out chairs, sofas, cushions, and other high-density replacement foam. Our foam is uniquely formulated to provide the balance of support, comfort, and durability. High density firm foam is designed for heavy traffic and high use applications. Our firm foam is designed to last approximately 7-12 years. Certipur-US Certified for Quality Assurance: Foamrush uses only the quality foam and you can use them for projects in your home. All of our foam is certified as being safe when compared to non-certified or non-regulated foam. We also provide foam products that are made cut to order to ensure the quality for our customers. About our Mattress Cover: Made of ultra plush cotton. Waterproof design prevents spills from damaging the foam inner layers. Cover includes a Non Skid Bottom and all around 360 degree zipper for easy removal. Machine Washable. Tumble dry, low temperature. Do not bleach Versatile: Our comfortable High Density Foam mattress has a variety of possible uses. Add the mattress to your sleeper sofa in your living room, place it on a platform bed frame in your guest room, or even use it in a trailer, camper van, hide-a-bed, futon, boat or RV. Foam Care Instructions: Open your package immediately. Please use caution and do not use anything sharp to open your shipping box as you may cut through and tear into the foam. Remove your foam from the shipping box and unroll it so that it may relax. High density foam has a compression rate of 44lbs. It features the perfect amount of cushioning and stiffness. Its soft but still holds its firmness and support for an individual to sit on it without compressing the foam too much. Compression = firmness compression (not density) is what determines firmness. If you dont want a cushion thats hard as a rock or a mattress that sinks when you sit on it, you have to check the compression or ild number. Compression means the number of pounds necessary to compress a piece of foam 25% and still bounce back to the original thickness. For example, a 4" thick piece of foam that requires 33 lbs. To pack it down 1" and have it return to its full 4" thickness has a 33 lb. Compression rating or (ild) -indention load deflection. Do not open with a box cutter. Use a ball point pen or a pencil. Start by making a little incision and break it from there - durability : will last 7 to 10 years high density foam is used for firmness with a touch of softness for comfort, which is most popular for mattresses & cushions. It has high quality compression and material to keep it lasting for longer periods of time even when harsh weight is applied. Get it right the first time It is also a good idea to know the size and the Height of your mattress ahead of time to make sure you are ordering the correct size. Keep in mind that you should combine the Height of your bed frame, foundation, or adjustable bed base with the Height of your mattress to get a gauge Of the how tall your sleep system will be. Note: Cover is not included. A 50% restocking fee may apply on returns.