DynastyMattress 8-Inch CoolBreeze GEL HD Memory Foam Mattress-TWIN XL Size 2" GEL 4lb Density Memory Foam:Sleep CoolTechnology Foam! This Mattress Also Works for Adjustable Bases! 2" AirFlowFoam Support, 4"High density foamfor ultimate support base! Made with High Quality and durable 3-layer construction! Luxurious white cover, fire barrier, 4 way zipper washable cover CertiPUR certified! With FREE 1 Gel Pillow Matching with theMattress Cover($50 Value). 20 years Limited Warranty.