Merax 8" Gel Memory Foam Mattress CertiPUR-US Certified 25 Year Warranty Comfort Sleep Essential White (Queen) Superior soft pad and a thick foam layer for optimal comfort with Manufacturer warranty for 20 years from date of purchase Cover: 280g polyester fabric with 3 ways zipper, non-slip bottom, Fire Resistant sock inner cover It provides a supreme support to the body, relieving of pressure points along the neck, shoulders, back and hips Mattress comes compressed and rolled for easy shipping, please allow 48 hours to expand to its full size