belupai Waterproof Bicycle Bag Cycling Mountaineer Backpack Breathable 10L Ultralight Bike Water Bag Climbing Cycling Hydration Backpack

Waterproof anf Durable: This backpack uses nylon fabric,which is abrasion resistance and scratch resistance. Besides,the fabric is water-resistant that keep your items dry in rainy days. Zipper design: High quality zippers, easy zip and unzip. This bike backpack's capacity is 10L, you can carry outdoor necessaries. It brings you an easy riding. Adjustable Shoulder Straps: Adjustable shoulder straps and waist straps fit your cycling, jogging, running needs. Suitable for both men and ladies, please choose your favorite color. Breathable Straps: The shoulder straps are breathable.The breathable mesh padding applied on the back makes it fast dry when sweating. It's friendly for cycling outdoor sports. Widely Used: As a sports and outdoor backpack, it is suitable for a variety of sports activities such as cycling, running, walking, and hiking.