THE ADJUSTABLE BELT FITS WAIST SIZES FROM 25" UP TO 47" AND WITH THE ZIPPER POCKET IT CAN BE LOADED WITH SMARTPHONE UP TO SIZE 5.5", KEYS, MONEY, GLASSES, AND OTHER ESSENTIALS. THE VELCRO STRAP LETS YOU ADJUST THE FIT TO IT SITS PERFECTLY ON YOUR WAIST WITHOUT BOUNCING. SUITABLE FOR RUNNING, CYCLING, MORNING EXERCISE, DANCE, YOGA, HIKING, MARATHON, AND SO ON OUTDOOR SPORTS. PERFECT SIZED HOLDER FOR WATER BOTTLES. BOTTLES