Truegood Running Waist Pack, Jogging Cycling Belt Outdoor Sports Pouch Fanny Bag Smart design outdoor sports waist bag, mini, waterproof, zippered. Adjustable waist strap with secure buckle. Material: polyester, waterproof fabric. Main color: Black+Blue. Bag size: 21x9cm/8.3\"x3.5\"(L & Max. W); Strap size: 68-108cm / 26.8\"-42.5\" (adjustable).