FITactic Universal [20in x 20in] DIY Traction Non-Slip Grip Mat Pad, Versatile & Trimmable Sheet of EVA for SUP, Boat Decks, Kayaks, Surfboards, Standup Paddle Boards, Skimboards & More NO SLIPPING / SLIDING: The 20in x 20in traction mat gives non-slip grip on your watercraft or board by draining away the excess water from diamond grooved EVA. DIY WITH YOUR IDEAS & EASY INSTALLATION: Very easy to customize and install. Trim & cut it (if needed), and peel & stick the pad to surfboard, skimboard, SUP, skateboard, watercraft or any applications of needing more traction. 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. ***IMPORTANCE: Design the lay-out before pads applied. Strongly recommend marking before sticking.