FITactic Universal 3-Piece Diamond Grooved Stomp Traction Pad Grip Mat with Tail Kick for Surfboards, Shortboards, Longboards, Skim Boards and More EXTRA GRIP: Keep your back foot in with confidence on critical bottom turns and cutbacks. QUALITY: We only use first grade diamond grooved EVA foam mat, and our tailor-made back adhesive (a special water-resistance layer added between EVA and adhesive) for longer use without peeling off. BUY with CONFIDENCE: All FITACTIC products have been developed and tested. DIMENSIONS: 11.75 x 10.5 inches, 25-30mm (1-1.2 inch) tail kick height. FULLY AWARE OF SIZE BEFORE BUYING FITS: Surfboards, Shortboards, Longboards, Skim board by placing the 3 pieces traction pad as your idea. Spread the pieces out for wider boards, closer for narrower ones.