Waterproof Sport Waist Bag Case Double Pocket Running Cycling Jogging ZJ. WAIST GIRTH(Belt Length):70-85cm(27.55 inch-33.46 inch) Belt width: 3 cm; Bag length(Double Bag):45cm; Single Bag(L): 20cm large-capacity: you can put a phone or a note within 5.0 in and other accessories like cards, cash and keys etc. highly-flexible elastic webbing band make it close to the waist.Don't shake incase of your movement or playing sports.