This drinking straw clip can be used for secure your drinking tube to your shoulder straps. Also help manage your dangling straps or radio wires. Easy installation without alteration on your strap. It can be used with 20mm and 25mm webbing strap. Octagon mount allows rotate any part to 8 different fixed positions. The slotted outside bars allow you to simply add base unit to any position along the shoulder strap. Type: Hydration Tube Clip Material: POM Occasions: Hiking, Camping, Mountaineering, etc Features: 360 Degree Rotatable, Durable, Convenient to Use and Carry, Outdoor Accessory Overall Size (L x W): 4cm x 3.3cm/1.57" x 1.30" (Approx.) Fit for Strap Width: 2cm/0.79", 2.5cm/0.98" (Approx.) Fit for Tube Diameter:  8mm - 12mm/0.31" - 0.47" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Clips in Same Color