high impact foam with tapered edges for non trip, and easy wheelchair roll-on. Slip resistant bottom to keep mat, securely in place, Durable vinyl heat-sealed, cover wipes clean for easy care, Folds in half for easy storage and includes straps that secure mat to the foot board.  #911548-68Lx24W  #911549-68Lx30W Latex Free UNSPSC#42143607