bike water bottle saddle bag

Tail light design: The pocket carries a waterproof LED bike tail light, which has 2 lighting modes: Steady&flash, short press to change the lighting mode, increase your safe riding at night(Please open the battery cover, and move the battery's insulating piece away before first use the tail light). Excellent waterproof performance: Made of high quality carbon fiber materials and water-resistant zippers, provides better waterproof performance to protect your valuables from water, dirt, and dust, easy to clean and durable. Portable and practical: Zip closure and practical open design make it easy to open and prevent falling out of inside items. Enough space can store your wallet, phones, towels, small tools, etc. The pocket outside can stretch and extend, which is the best place for water bottle(Please note: Fits for water bottle diameter: ≤ 7.5cm, and water bottle not included). Quick install: Velcro straps and buckles are easy for installation and unloading. No mounting tools need, suitable for a variety of bicycles and outdoor cycling, like MTB, mountain bikes, folding bikes and road bikes. With 1 battery in tail lingt: This tail light is powered by 1 x CR2032 button battery, if need to replace the battery, please open the light cover, take out the light and battery, then replace the battery.