FOR FITNESS AND SAFETY OUTDOORS, THE SLAZENGER REFLECTIVE FITNESS DUAL HYDRATION BELT INCORPORATES BLACK REFLECTIVE TRIM THAT BLENDS IN WITH DARK SURFACES DURING THE DAY LIGHT AND SHINES A BRIGHT WHITE REFLECTION AT NIGHT. EXPANDABLE FITNESS/RUNNING BELT INCLUDES TWO 6.8OZ. SQUEEZE HYDRATION BOTTLES. FRONT ZIPPERED NEOPRENE POCKET IS PERFECT FOR STORING YOUR SMARTPHONE, IPHONE, OR VALUABLES WHILE IN USE. 4.5" H X 14.2" W