Water bottle sling features an expandable design that fits bottles from 32oz to over 64oz, accommodating various shapes and sizes, including handled cups. The spacious compartments and secure pockets let you pack all of your essentials with ease, including a dedicated space to safely store cash, cards, and keys. Made from fluffy, water resistant fabric. Expandable Design: Expandable zipper and exterior cinch pocket accommodate 32oz to over 64oz canteens, fitting various bottle shapes and sizes. Versatile Fit: Side zipper makes space for bottles with handles. Secure Storage: Large front zipper pocket with a key leash for phone, key, and credit cards. Easy Access: Side handle strap allows for easy one-handed sipping on the go. adjustable shoulder strap