Professional Dog Training Treat Bag with Belt. Roomy Main Compartment: Ergonomically designed with a black interior for better visibility of snacks. Holds up to 3 cups of snacks. Magnetic closure for easy opening and closing. This dog treat bag has a magnetic closure and features a drawstring for quick opening/closing. [This bag has a opening, so people with big hands can use it. ] Wear with an adjustable waist belt (included) or with clips. Dog Walking Treat Bag is made of oxford ("backpack") material. Just wipe clean. Hand wash and air dry for better results. Colour: blue Material:oxford Package Contents: 1 x portable training dog bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.