- Package Includes: Each package comes with one inflatable seat cushion featuring a supportive backrest. - Durable Material: This inflatable seat cushion for surfboards and kayaks is made from high-quality PVC, ensuring flexibility and robust seams designed to withstand the demands of water sports. - Waterproof and Sweat-Resistant: Our seat cushion is both waterproof and sweat-resistant, making it ideal for all your kayaking and surfing adventures without worrying about wear and tear. - Product Dimensions: The backrest measures 17.72 x 15.75 inches, while the seat cushion itself measures 15.75 x 17.72 x 4.33 inches, providing ample support for comfortable sitting during water activities. Applications: - Perfect for enhancing comfort on long kayaking trips, allowing you to paddle for hours with proper back support. - Ideal for surfboard users seeking extra cushioning during their sessions, enabling you to stay focused on your performance. - Great for recreational use at the beach or lakes, ensuring you can relax and enjoy the water with ease and comfort. Functional, versatile, and built for performance, this inflatable seat cushion is a must-have for any water sports enthusiast.