VEVOR Towable Tube for Boating, 1-3 Riders Inflatable Boat Tubes and Towables, 510 lbs, 63" Round Water Sport Towable Tubes for Boats to Pull, Full Nylon Cover, EVA Grab Handles and Speed Safety ValveProduct Features Durable & Resistant Materials Our boat tubes and towables are covered with robust nylon, featuring 840D nylon on the bottom and periphery and 420D nylon on the back, providing superior UV protection and resistance to aging. (PLEASE NOTE: 1. After use, please deflate the product and store it. 2. Avoid prolonged exposure to direct sunlight, as it may lead to bursting and cracking.) Spacious for Two Riders With a maximum load capacity of