The universal EDIX poly-press inserts are made of composite foam and are supplied per set and in a universal size. The inserts are suitable for various brands of underlays with insert compartments. Depending on the size and model of the pad, you can easily cut to size with scissors. Characteristics: 30 × 70 cm 15mm thick light pressure distributing power Inlays are subject to wear and are best checked from time to time for any resilience. Sold in pairs.