Hydration hose with 90 degree type of on-off switch for convenient use and a cover on switch for dust prevention. Both the hose and silicone valvenozzle are food grade material for safe use, great replacement for your hydration bladder. Feature:Food grade silicone bite valve and PVC tube for health and safe use.Replacement hose with built-in on-off switch for convenient use and a cover for dust prevention.Come with a tube clip for easy clamp on your shoulder strap.Great replacement kit for your hydration bladder. Specification:Material: ABS switch+ Silicone nozzle + PVC tubeTube length: 90cm / 35.4inTube clip: 4 * 3.2cm / 1.5 * 1.2inPackage weight: 99g / 3.4oz Package list:1 * Tube with Switch1 * Tube Clip