Towable Tube Replacement Bladder Base 3 Rider Model, Inflatable Boat Innertube Base with Speed Safety Valve for Water Sports Boating Floating Activities

["Flexible Innertube Base Size: This towable tube replacement base measures 92 x 84.8 inches and fits a variety of three person towable tubes inflatable boat tubes and water sport inflatables for versatile outdoor water recreation use（NOT include the base sleeve）","Heavy Duty PVC Construction: Made from upgraded 0.75mm thick PVC material this boat tube replacement bladder offers enhanced tear resistance and durability. Suitable for softer floating experience and water sports activities","Reliable Sealed Craftsmanship: Built with high frequency welding technology to create a tighter seal and help reduce air leakage during inflation and towing. Reinforced outer stitching improves overall strength and supports long lasting use on lakes rivers and outdoor water activities","Durable Material for Water Activities: Crafted from flexible and durable material designed for towable tube replacement and inflatable boating applications. Maintains stability and flexibility during high speed towing and extended floating use for reliable outdoor performance","Quick Inflate and Deflate Valve: Features a speed safety valve for faster inflation and easy deflation. The inflatable tube liner folds compactly after use for convenient storage in vehicles garages boat compartments or travel luggage, making it suitable for vacations and outdoor water recreation"]