Extend a larger space, which increases an extra capacity that could contain water , drinks, tyre tube, tools kits etc., and an elastic cord could help to keep the water . note the net pocket could hold the with maximum diameter of 2.6 inch. easy installation without tools. Simplicity lightweight . The reflective on both side of the bag for your safety. It is designed to place items such as cell phone, multi-tool kit, , snacks, mini bike pump etc while cycling. It perfectly fit for mountain bike, road bike which gives riding experience. Extend a larger space, which increases an extra capacity that could contain water , drinks, tyre tube, tools kits etc., and an elastic cord could help to keep the water . note the net pocket could hold the with maximum diameter of 2.8 inch. easy installation without tools. Simplicity lightweight . The reflective on both side of the bag for your safety. It is designed to place items such as cell phone, multi-tool kit, , snacks, mini bike pump etc while cycling. It perfectly fit for mountain bike, road bike which gives riding experience. Product Description: Increases an extra capacity that could contain water , drinks, tyre tube, tools kits etc., and an elastic cord could help to keep the water . Carry tools and other small essentials in the this triangle bag. This small, zip-closed bag fits within the triangle of your bike. Removable and detachable ,easy-cleaning Suitable for storing important accessories: Repair tools, flash lights, wallet, mobile phone etc. Item : Name: bag Design: Reflective stripe Material: Nylon Color: green Size:8 x 7 x 1.9in Weight: 80g Package: 1x Triangle Bike Bag(without water ) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.