RAINS Bator Puffer Bum Bag Waist Bag in Foam Yellow NWT Retail $140 The Bum Bag is a Rains classic made of waterproof fabric with a matte finish. This lined bag features a main compartment with a hidden interior pocket. It can be worn around the waist or diagonally with the adjustable waist belt. It has a waterproof zipper to keep the contents dry. Material: 100% polyester med polyurethane coating Dimensions: 38 cm x 26 cm x 12 cm Roll Top closing Adjustable waist belt Spacious main compartment Hidden pocket on front Waterproof This product is designed to withstand light to moderate weather conditions.