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• Inflatable interior inner tube is made from butyl rubber
• Butyl rubber inner tube has good air tightness, heat resistance, elasticity, aging resistance and small permanent deformation. 
• Butyl rubber inner tube colloid has good self-closing performance and high air tightness
• Size is GR 15 TR13
• Lightweight and easy to use
• High strength, excellent elasticity, not easy to break
• This interior tire tube is made of material. It is durable and no air leak. Suitable for freedive line training, a great choice for you

Upgrade your diving experience with our Interior Inner tube tire for Freedive Buoy. This inflatable interior is a must-have for all diving enthusiasts.

• Durable: Made with high-quality materials, this inner tube tire is built to last.
• Easy to Use: The inflatable design makes it easy to use and store when not in use.
• Fits Perfectly: This interior inner tube tire has been designed specifically for Freedive Buoy, ensuring a perfect fit every time.

Say goodbye to the hassle of traditional diving equipment and hello to the convenience of our Interior Inner Tube Tire. Get yours today!