Suit for a waist size range of 19"- 47", the belt strap is adjustable, and the elastic strap can keep the bag tight to your waist. It has two separate pockets, the front cellphone pocket (6x4x1") can avoid scratching and the main pocket can hold most things you need More than wearing it at the waist, you can wear it across the chest,or like a mini backpack over your shoulder and the pack on your back or even sling it over your shoulder like any old handbagBesides big events concerts, it is also suitable for our daily work or school life. It is very convenient to hang out with your friends; just buckle it on your waist and your hands are free for hotdog, popcorn and so on.