Features: Make from silicone, soft, flexible, designs to endure regular use. Replacement piping nozzle for water bag. It can used directly to pipe of your water bag. Perfect for activity like running, cycling, and camping. Allows for quick attachments and detachment, making it easily to switches out part as need during your outdoor excursions. Replacement drinking tube and bites Valves for water bladder, water reservoirs, Hydrations backpacks. Specifications: Materials: Silicone Styles: Bend Corner Nozzle/Straight Through Nozzle Bites Valves Size: about 33.8x19.1mm/1.33x0.75inch Package Includes: 1Pc Hose 1Pc Bites Valves 1Pc Mouthpiece note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.