the Gel-U-Seat Lite Cushion From Drive And Mason Medical Is Specifically Designed To Redistribute Pressure To Assist In The Prevention Of Pressure Ulcers While Providing Patient Comfort By Incorporating High-Density Foam Surrounding A Dual-Chamber Gel Bladder. The Fluid-Resistant, Low-Shear Stretch Cover Includes Tie Straps To Secure To Wheelchair.features And Benefitsspecifically Designed To Redistribute Pressure To Assist In The Prevention Of Pressure Ulcers While Providing Patient Comfortcushion Incorporates High-Density Foam Encapsulating A Dual-Chamber Gel Bladderwater-Resistant, Low-Shear Stretch Cover With Tie Straps To Secure To Wheelchairthe Vinyl Bottom Is Waterproofproduct Specificationsactual Product Weight: 5.94 Lbscover Material: Fluid Resistant Stretch Top; Waterproof Vinyl Bottomoverall Product Height: 3"overall Product Length: 20"overall Product Width: 16"primary Product Color: Blackprimary Product Material: Foamproduct Weight Capacity: 275 Lbsmodel # 8046-3warning: This Product Can Expose You To Chemicals, Including Di(2-Ethylhexyl)Phthalate (Dehp), Which Is Known To The State Of California To Cause Cancer. For More Information Go To Www.P65warnings.Ca.Gov.