EGOGO Travel Sport Fanny Pack Waist Bag The waist size is up to 48 inches. The length of the waist strap alone is 36.22 inches. Strong straps can be adjustable to the size you want. The waist bag belt is wide and sturdy so it will not roll up or down when you use it. The MAIN COMPARTMENT is 12.6" * 6.5" * 3" ;the EXTERIOR FRONT POCKET is 6" * 9" ;the MAIN COMPARTMENT INTERIOR MESH POUCH is 10" * 4.7";the AIR MESH BACKING POCKET is: 10" *4.7". The waist bag is made of ripstop nylon, which is water-resistant and durable. The fanny pack can be used when you go traveling, hiking, working .Even it can be handy for new moms who don't want to carry a purse since they have to carry a heavy diaper. There are 3 pockets for the fanny bag. The FRONT POCKET can be used to hold your little things, inside of which there is a short strap with a hook that can be very secure for your keys. The LARGE MAIN COMPARTMENT provides big enough room for storing your essential stuffs like glasses, bottle, food, umbrella,phones, checkbooks ,etc.