Reliable Material to Help Your Operation: made of ideal silicone material, the hydration tubes are strong, foldable and lasting, high and low temperature resistance, not easy to break, providing you with a reliable and convenient drinking solution during different outdoor activity or adventure Suitable for Most Water Bags: the versatile design of the water bladder hoses makes them compatible with most water bags, the inside diameter is about 0.25 inches, the outside diameter is about 0.375 inches, and the length is about 59 inches, allowing you to use them with your favorite bottle and water bag, convenient for you to save the drinking effort Easy to Install and Use: with a simple and straightforward installation process, the straws tubing are easy to use and operate, you just need to remove the useless tube and insert our tube to your water bag or bottle, making them fit for outdoor enthusiasts and other adventure amateurs Enough Quantity: the package includes 3 water backpack hoses, providing you with enough quantity to keep your application at home, car, backpack and so on, giving you peace of mind and ensuring you always have a spare Lightweight and Easy to Carry: the non kinking drink tubes are transparent and lightweight, making them easy to carry and transport, you can see the liquid inside from outside, making them a nice solution for diverse outdoor activity or adventure Features: These drinking tubes are nice options for yourself, but they also make thoughtful gifts for craftsmen, family, friends, relatives, athletes and so on, they will be cheerful to receive such a convenient gift. Whether you are camping, hiking, backpacking or at a festival, the water bladder hose is an interesting addition to your life and mood, ensuring you stay happy who enjoy camping, trekking, hiking, fishing and other outdoor activities. Specifications: Material: siliconeColor: transparentSize: Inside diameter: about 0.25 inchesOutside diameter: about 0.375 inchesLength: about 59 inchesPackage includes: 3 x Hydraulics reservoir hoseNotes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.