Adjustable open: Drawstring closure enables you to adjust the size of the opening which you can choose to close it, open it wide or open it partially.Ergonomic and sturdy designs with impeccable craftsmanship,drawstring makes taking out snacks quick andeasily. Humanization design: Two pockets on sides, one is perfect for holding a mobile phone, keys, ID card while the other one is for holding garbage bags. D-ring on front perfect for attaching clickers, whistles, keys, etc Easily stores toys treats: The convenient drawstring securely holds in generous amounts of dog training treats, accessories, and dog toys.which makes it simple to spot pet treats right when you need them. training bag perfect for play with yourpet! Store your stuff: Safely store your money or keys in the hookloop pouches while taking a stroll with your pet. This ultimate pet treat bag has it all! Used for: This pet training packages suitable for pet training school, pet events.