Ideal for airgun pellets but can also hold steel BBs, airsoft BBs, firearm cartridges (smaller calibers). Stickers for the lid identify what's inside. Foam in lid & base secures ammo. Slips into holster, which attaches to waistband or belt. Includes black plastic pellet holder w/foam inserts, holster w/clip & 4 self-adhesive paper labels. Holds up to 200 pellets or up to 50 .22LR cartridges.