Black fanny pack made of polyester with a polyurethane coating. It has an adjustable strap and buckles, an internal compartment, a buckle closure on its strap, a tone-on-tone zipper. Waterproofing: 8,000 mm. Volume: 3 liters. The Bum Bag is a functional bag. Waterproof model that can be worn on the shoulder, across the chest or on the waist. It is made for optimal strength and durability for an ultra-soft feel. It is designed to withstand light to moderate rainfall. .