Instyle Furnishing&rsquo;s 6 Inch Memory Foam Mattress Available in Twin and 33 Inch Depth (Twin) Amazing comfort from body-conforming memory foam with a pressure relief system that eliminates pressure points to ensure a better nights sleep Available in Twin and 33 inch depth Soft, knit fabric cover and 1 of 2.5lbs of memory foam Allow 48 hours for the memory foam bedding to expand to its proper size and shape Meets federal flammability standard 16 CFR 1633