Small size, large capacity. This is a great bag which allows you to take your cellphones, keys, money,cards and water bottles while exercise, never worry about losing them,free your hands, enjoy your running.Features:Comfortable, soft stretchy material and high elastic waist belt make a perfect fit.Durable zipper and quality buckle for added durability.Adjustable strap fits waist circumference from 31.5 to 59.1 in.Large capacity, ample space for your cellphone(<6in), keys, wallet, cards,etc.Reflective strap enhances visibility and safety at night.Headphone jack design allows you to enjoy music, respond to call while running, free your hands.Water bottle pockets with reflective fixed rope makes a stable running while keep you energy up.Combined with 2 number bib clips, for professional race use.Water resistant, keep your valuables dry while doing exercise, but don't exposure to a lot of water or rain for long time.Ideal for running, cycling, mountaineering, hiking and other outdoor activities.Specifications:Material: Neoprene + 2000D polyester.Color: Black / Red / Green / Blue (optional).Waist circumference: 80 - 150 cm / 31.5 - 59.1 inBag Size: 38 * 10 cm / 15.0 * 3.9 inBag Weight: 180 g / 6.3 ozPacking Size: 38 * 13 cm / 15 * 5.1 inPacking Weight: 190 g / 6.7 ozPackage List:1* Waist BagNote:Water bottle is not included.