Bike Backpack Waterproof Folding Ultra Lightweight Nylon Bike Hydration Backpack for Outdoor

Feature: 1. REFLECTIVE STRIP: Bike hydration backpack is designed with night reflective strip, safer for night travel. Survival whistle, more beautiful and practical. 2. WATER BAG ATTACHMENT STRAP: Bike backpack can store small items and repair tools for daily use. Designed with a water bag fixed belt, can be affixed more convenient. 3. D SHAPED HANGING BUCKLE: Cycling backpack with D shaped buckle, can suspend small items. Interior design with zipper concealed pocket, increasing privacy. 4. BREATHABLE DESIGN: The back of the shoulder straps are made of breathable fabric, no pressure on the back, breathable sponge. 5. FIXED ELASTIC BAND: Mountain biking backpack uses fixed elastic straps on both sides to reinforce protection and make it more compact when riding. Specification: Item Type: Bike Backpack Material: Nylon. Package List: 1 x Bike BackpackREFLECTIVE STRIP: Bike hydration backpack is designed with night reflective strip, safer for night travel. Survival whistle, more beautiful and practical. WATER BAG ATTACHMENT STRAP: Bike backpack can store small items and repair tools for daily use. Designed with a water bag fixed belt, can be affixed more convenient. D SHAPED HANGING BUCKLE: Cycling backpack with D shaped buckle, can suspend small items. Interior design with zipper concealed pocket, increasing privacy. BREATHABLE DESIGN: The back of the shoulder straps are made of breathable fabric, no pressure on the back, breathable sponge. FIXED ELASTIC BAND: Mountain biking backpack uses fixed elastic straps on both sides to reinforce protection and make it more compact when riding.