PREMIUM COMMERCIAL-GRADE MATERIAL: Crafted from heavy-duty 30-gauge PVC vinyl, ensuring exceptional durability and longevity for all your river adventures.​ CONVENIENT BUILT-IN CUPHOLDER: Features an integrated cupholder, allowing you to securely hold your beverage while floating, enhancing your relaxation experience.​ SPACIOUS 48-INCH OUTER DIAMETER: Provides ample space for a comfortable floating experience, accommodating various body sizes.​ DUAL AIR CHAMBERS WITH BOSTON VALVE: Equipped with a main air chamber and an additional safety chamber, both featuring Boston valves for quick and secure inflation/deflation.​ LARGE SUPPORT HANDLES FOR EASY MANEUVERABILITY: Includes two large support handles, facilitating easy handling and a secure grip while navigating rivers or pools.​ Experience unparalleled comfort and convenience with the Tube Pro Green 48" Premium River Tube with Cupholder. This heavy-duty, commercial-grade tube is constructed from robust 30-gauge PVC vinyl, designed to withstand the challenges of various water conditions. Measuring 48 inches in outer diameter, it offers a spacious and comfortable floating experience suitable for users of different sizes. The integrated cupholder adds a touch of luxury, allowing you to keep your favorite beverage within reach as you relax on the water. Safety and convenience are prioritized with dual air chambers—a main chamber and an additional safety chamber—both equipped with Boston valves for rapid and secure inflation and deflation. Two large support handles provide easy maneuverability, making this tube ideal for river tubing, lake lounging, or pool relaxation. Trust Tube Pro, a leader in water tubing equipment, to deliver quality and reliability for your aquatic adventures.​