Description: Name: Water Bottle Set Material: Waterproof 800D Nylon Webbing Product Size: Thickness 2.8"-3.9" * Height 8.3" * Width 2.8" Color: black;green;khaki Scope of application: outdoor sports, mountaineering, fishing, cycling, camping, hiking, adventure, tourism. Note: Due to manual measurement, please allow a difference of 0.4"-0.8" Product introduction: 1. The cup sleeve is designed for kettles and beverage bottles, adjustable elastic band, can put down the maximum diameter of 3.9in, adjust the minimum diameter of 2.8in kettle, capacity 33.8oz 2. The kettle cover is made of high-strength wear-resistant nylon fabric, which is strong, wear-resistant, durable, waterproof and lightweight, and it is not easy to change color after long-term use 3. There are extended accessories on the back of the kettle cover that can be hung on the bag, which is convenient for travel, as long as the backpack provides a hanging point, it can be hung at any time 4. The water bottle sleeve has the effect of water repellent and dustproof, and the bottle has an elastic band to better fix the kettle 5. Our water bottle holder is a must-have for all outdoor enthusiasts. It can be used in a variety of activities, such as camping, fishing, running, biking, hiking and more. Suitable for outdoor sports, cycling to work, tourism, mountaineering, leisure and other scenarios The cup sleeve is designed for kettles and beverage bottles, adjustable elastic band, can put down the maximum diameter of 3.9in, adjust the minimum diameter of 2.8in kettle, capacity 33.8oz The kettle cover is made of high-strength wear-resistant nylon fabric, which is strong, wear-resistant, durable, waterproof and lightweight, and it is not easy to change color after long-term use There are extended accessories on the back of the kettle cover that can be hung on the bag, which is convenient for travel, as long as the backpack provides a hanging point, it can be hung at any time The water bottle sleeve has the effect of water repellent and dustproof, and the bottle has an elastic band to better fix the kettle Our water bottle holder is a must-have for all outdoor enthusiasts. It can be used in a variety of activities, such as camping, fishing, running, biking, hiking and more. Suitable for outdoor sports, cycling to work, tourism, mountaineering, leisure and other scenarios