United States Watermattress Made In The USA 2 Layer Hardside Watermattress Features: Overcut mattresses - to release pressure on the seams L-corner construction Seam on the bottom of mattress - recessed 2 inches Trimilate Dura Heat black bottom for heat transfer 2 1/2 inch reinforced corners Heavy Duty black waterbed vinyl Fiber is 1.2 oz of Dupont fiber per layer Lifetime Limited Warranty. Vinyl safety liner. Contains all the parts to fill and drain your waterbed with ease. Solid state control with Independently replaceable heater pad. United States Watermattress - 2000 2 Layer Hardside Watermattress STAND UP SAFETY LINER Fill and Drain Kit with Conditioner Quantum Solid State Heater UPC 657725575605 Size California King 72x84 1US2000G1 Brand Name U.S. Waterbed Manufacturer United States Watermattress Material Type Vinyl Construction Type waterbed Age Range Description Adult