Naoki Outdoor Sports Fitness & Travel Waterproof Nylon Waist Pack / Bag Runner Belt Made of Waterproof nylon, Durable and lightweight General use for unisex and any age. Perfect for holding your mobile phone,credit card, Drinking bottle etc Adjustable strap(Longest 120CM) with plastic buckle Overall dimension: Approx: 42cm(L)*12.5cm(W)*0.3cm(H)