slow open hinges , auto open hinge , stay open hinge 

Self close self open HINGE

Use this Dog Training Treat Bag to store your dog treats during agility training sessions. Each dog treat bag has a snap-close pouch to keep treats from spilling.

This bag can be worn around the waist or clipped to a pocket or belt loop to keep treats handy during agility training sessions.

The main pouch has a stay-open spring hinge top that snaps shut to keep treats securely stored.

Treat dog bag has a key ring and two additional pockets (one zippered, one Velcro) for storing supplies and personal items.

Self close self open self closing spring hinge