Adjustable waistband, quick release button for men and women of different sizes and shapes, this waist bag is made of Oxford cloth, durable waterproof, durable, smooth zipper to ensure users can quickly access the contents of the waist bag, you can carry your backpack around your waist and hips in a variety of ways, making it ideal for biking, running, traveling, etc. This price is based on sea shipping. Rush service is also available for an additional charge.