Split bladders contain an aqueous non-toxic gel solution and prevents migration

•Optimal environment for the treatment and prevention of pressure ulcers
•One-Piece construction - easily attaches to mattress with elastic corner straps
•Easy to clean, low shear, fluid resistant cover
•Overall Dimensions: 78"(L) x 34"(W) x 3"(H); Weight Capacity: 300 lbs

Gel mattress Overlay, 4"