Functional and versatile Suitable for hiking, camping, biking, and other activities. Replace your hydration bladder's bite valve with a convenient 7-piece set to ensure reliable hydration during adventures. Compatibility and durability Fits most hydration bladder brands for maximum versatility and convenience. Constructed from durable materials designed to last through regular use and frequent replacements. Leak-proof performance Prevents leaks while providing a steady water flow. The on-off shut-off valve allows you to control water flow quickly and easily, delivering a hassle-free hydration experience. Colorful and organized Includes 1 on-off valve, 5 mouthpieces in different colors, and 1 gasket. Keeps your hydration reservoirs organized and visually appealing, while offering easy personalization options. What is included 1 on-off valve, 5 mouthpieces in assorted colors, 1 gasket. Use scenarios - Long hikes or backpacking trips: replace a worn bite valve to maintain reliable hydration flow without carrying a new bladder. - Group trips or family outings: color-code mouthpieces to distinguish between users and keep setups tidy. - Mountain biking or endurance activities: quickly turn off the valve during rests to prevent accidental leaks and control water access.