Fitletic Hydration Bottle Holder 6 Oz & 8 Oz FITS MOST RUNNING BELTS: The easiest way to add a running water bottle holder to your sports belt. Just slide-on the holster and go! COMFORTABLE: Contoured natural-grip running water bottles (6 oz or 8 oz). Use for running, triathlon, trail, marathon, ironman, endurance, long distance, hiking, walking, and sport. QUICK DRAW DESIGN: Hydration bottle can be quickly accessed and replaced in the running water bottle holster (aka. water bottle holder, water bottle carrier). HIGH PERFORMANCE: Quick-flow race cap for rapid one-handed drinking. HEALTHY & CONVENIENT: Hydration bottle is BPA free and dishwasher safe.