The SereneLife Thunder Wave Water Sport Knee-Board is the perfect addition to your water sports gear, providing a stable, floating platform for individuals of all ages. Designed for use in lakes, rivers, and oceans, this knee-board features comfortable, form-fitting knee slots, ensuring a safe and enjoyable ride. Built with marine-grade, water-resistant, and corrosion-resistant materials, its perfect for both beginners and seasoned riders. Lightweight and easy to set up, the Thunder Wave knee-board is designed for quick fun in the water. Whether youre a child, teen, or adult, this universal knee-board guarantees hours of water sport enjoyment.