-This kayak seat pad is made of quality cotton and synthetic fiber material, No harmful chemicals, safe, skin-friendly, soft, durable. -Ergonomic design gives you relaxing sitting feeling, the raised bumps are skid-proof and comfortable to sit. -There are four suction cups on the back, which can be fixed on the seat, which is easy to use. -Lightweight and portable, easy to carry and store. -Thick seat pads is useful tool for outdoor activities that needs a comfortable seat cushion, perfect for fishing, kayak, etc.