ITEM NAME:Cycling Bicycle Hydration Packs Water Bladder Drink Tube Clip Holder Description: - Secure your drinking tube to your shoulder straps to keep within close proximity - Easy installation without alteration on your backpack - Very practical for hiking, camping, mountaineering - Size: approx. 4.5*1.7*2.5cm / inner diameter: 12mm - Material: Plastic Package Included: 1 piece Tube Clip.1 piece Tube Clip.