Soulchen Replacement Inner Tube for Towable Tube Booster Ball, Adjustable Inner Inflatable Tubes for Water Sport, Safety Speed Valve for Easy Inflating & Deflating

["Universal Fit & Adjustable Capacity: this replacement inner tube measures about 39\" x 26\" but is designed with flexible capacity, easily accommodating oval inflatable tubes ranging from 26 to 39 inches; Whether for rider or group fun, you can adjust the air volume for optimal comfort, safety, and a ideal fit on various Towable Tube Booster Ball","Reliable Material: our booster ball replacement bladder goes beyond standard safety; It's not only certified to the EU's EN71-3 safety standard but also passes rigorous 6P and 7P environmental tests; It's free from harmful substances and odors, ensuring user health and safety; Its excellent toughness and stability withstand high-speed towing and prolonged water exposure for a durable, reliable experience","Reinforced Durability: constructed from 0.75 mm thick PVC material, this inner tube offers a 25-30% strength increase compared to standard bladders. Its enhanced wear and tear resistance extends product life, reducing the need for frequent replacements due to abrasion or punctures","Easy Inflation & Compact Storage: features a secure, leak-proof quick-release valve for fast and easy setup and pack-down. It deflates to a compact size, making it easy to fold and store in your car, boat locker, or bag without taking up much space. Perfect for spontaneous fun or vacation trips","Leak-Proof: utilizing high-frequency welding technology, the molecular layers of the material are fused to create an incredibly strong, airtight seal that prevents air leakage. Combined with excellent stitching on the outer cover, this craftsmanship ensures enhanced durability and a better overall water sports experience"]