Amazon.com: 4.0 Inch Memory Foam Tri-Folding Mattress with Super Soft Removable Bamboo Cover for Guest Children and Adults, Foldable Orthopedic Sofa Bed with Non-Slip Bottom for Back Pain Relief, Full 52"x74"x4" :
Amazon.com: Giantex Folding Mattress, 4 Inch Gel-Infused Tri-fold Mattress with Bamboo Cover & Carry Bag, CertiPUR-US Certified, Foldable Cooling Mattress Topper for Guest Room Dorm RV Camp Floor, Twin XL : Home