The Seyoun 16 inch bicycle inner tube is designed for use in standard, city, or folding bikes. Made from natural rubber, it features a reinforced structure that helps the tube withstand mechanical shocks and high compression during your rides. To ensure a reliable experience, the design is optimized for uniform inflation, which helps prevent deformations and maintains long-term airtightness. This makes it a practical choice for riders who need a dependable tube that keeps its shape and pressure over time.