Harmony Techlift Seatpad, Grey/Black 1 inch thick padding increases comfort and position Adhesive backing provided 1 in (2.54 cm) thick mini cell closed-cell foam 1 (2.5cm) thick closed cell foam Does not absorb water Peel and stick adhesive backing Easily cut to fit a variety of kayaks 15 x 16 x 1 (38cm x 41cm x 2.5cm)