Night Therapy MyGel 12 inch Memory Foam Mattress and SmartBase Complete Set, Twin Sleep cool layering system-2.5 inch MyGel Memory Foam, 1 inch Memory Foam, 3 inch Pressure Relief Foam, and a 5.5 inch High Density Foam Support layer Foam is CertiPUR-US Certified for durability, performance, and content SmartBase bed frame is 14 inches high with 12.5 inches of clearance under the frame for valuable under-bed storage space Folding SmartBase design allows easy storage and movement through tight staircases and doorways, replacing a traditional box spring and frame Mattress: Worry Free 10 year limited warranty SmartBase: Worry Free 5 year limited warranty