Doog Mini Black Walkie/Running Belt: This smaller version of the original DOOG Walkie Belt has been created for more active dog owners. The Mini Belts hold 20 DOOG pick up bags and have a back pocket for a phone, spare house key and some cash. The elastic waistband makes is comfy for running and fast walking with your dog. Features: Stretchy wasitband holds belt securely while you run, Back pocket for valuables, front pocket comes with 20 biodegradable poop bags.