6L Cycling Camping Hiking Waterproof Bike Backpack Mountain Bike Water BagSpecifications:Professional functional design and super breathability, equipped with an adjustable buckle at the chest, adjustment buckle at the waist, the size of the strap is oversized. All the shoulder strap to the bag, the backrest and waist protection are made of breathable 3D mesh material, refreshing and breathable. Nano waterproof lotus leaf pattern, you can ride in the rain. More reflective, safer, up to 24 reflective patterns, make your sports safer. Water bag independent storage with water hook to bag, convenient to use. Foldable design makes it easy to store, convenient to use. Item Name: Bike BackpackMaterial: NylonCapacity: 6LCech: Waterproof, Durable, Foldable Size: 20cm x 10cm x 45cm/7.87" x 3.94" x 17.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x Bike Backpack (others not included)