âº-[PRESSURE-RELIEVING FOAMS]-The feel of this base foam mattress is medium firm - slightly plusher than a traditional firm mattress. The base foam mattress can support each part of the body evenly and individually.âº-[EASY CARE]-Base mattress with middle zipper design, that can easily be taken off and machine washed. The feel of this base foam mattress is medium firm - slightly plusher than a traditional firm mattress.The base foam offers complete, luxurious and stress-free support.âº-[MATTRESS IN A BOX]-It includes a soft cover that is washable for your convenience. Pressure relieving base foam naturally draws heat away from the body for a more comfortable night's sleep;Beautifully detailed all around cover with four-way stretch works with the base foam to optimize its conforming properties.âº-[MATERIAL & CONSTRUCTION]-To improve support and heat dissipation, base foam mattress is designed with three layers all-foam system, including comfort foam, high density base foam and durable support base foam for ultimate comfort.âº-[GENERAL NOTE]-Please allow 24 - 72 hours for your Mattress to regain its full shape. Any foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return from its compressed state.The expansion time of the mattress will vary as per the surrounding.Twin 75"L x 39"W,Full 74"L x 53"W,Queen 79"L x 59"W,King 79"L x 76"W