Carry essentials with Waterproof Bum Bag from Mango. Made from coolmax stretch fabric, the bum bag features waterproof finish, zip closure, two pockets, and adjustable strap.With a history spanning four decades, Mango is one of Europe's leading fashion brands. From Barcelona, on the banks of the Mediterranean, they delight the world with their fashion proposal and lifestyle. Mango's creative team works every day to translate fashion trends into their own language, which they deliver to customers in a personalized way while paying attention to detail.