LUCID Rollaway Folding Guest Bed with 4 Inch Memory Foam Mattress - Rolling Cot - Easy Storage - Cot Rollaway guest mattress is soft and ultra-supportive, with a medium-feel mattress featuring 1-inch of memory foam and 3 inches of support foam Quickly pull out the bed for guests or children, then fold and roll away for super easy storage With its easy assembly, locking wheels for safety, and CertiPUR-US certified memory foam with no harmful odors, this bed is safe for children Spring-supported deck offers support more comfortably than wood slat and wire mesh support alternatives Heavy-duty bed frame comes with an impressive 10-year U.S. warranty - Available sizes: Cot, Twin and Twin XL; Cot measures 31 x 73 inches