FuelBelt Revenge R3O Rock-n-Roll Series Hydration Belt Fully adjustable elastic stretch waistband for a customized, comfortable no-bounce fit and Velcro closure Revenge holster design provides for single handed entry and exit Removable pocket with zipper for gels, keys, cash or up to iPhone sized electronics Ventilated Air Flow padding system wicks moisture away and keeps you cool Three ergonomic, leak proof, dishwasher safe and BPA-free 7 oz bottles included