Features: Ensure a healthy hydrations experience with the bites valves replacement mouthpieces, craft from silicone for safe use in your hydrations pack bladder. Designs for durability and flexibility, these bites valves is easy to clean and feature a leak proof design, making them suitable for most hydrations bladder. Ideal for outdoor sport enthusiasts, this product caters to long distances cyclists, and anyone who enjoys positive adventure requiring reliable hydrations solution. Perfect for mountain biking, camping expeditions, marathons, and other outdoor activity where convenient water accesses is essential, ensuring you staying hydrated. With 7pieces included, this replacement kits offer enough supply for frequent adventurers, ensuring you're alway prepared for your next journey with a dependable hydrations systems. Specifications: Materials: Silicone Color Optional: 7 Color is Available as Shown in the Picture. Package Weight: approx.22g Size: approx.3.50cm/1.37in (More Size Detail, Please See Picture.) Package Includes: 1 Set of 7Pcs Bites Valves Replacements Kits note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!