Keep your best friend happy and well fed even when you're far from home with the versatile Grub Tub. The special drawstring closure securely holds a supply of your pets favorite food. When your dog is ready to eat, simply fold the drawstring closure around the outside of the bowl. The waterproof Grub Tub is made of a durable, high-tech plastic canvas and snaps into a pocket-size triangle. Attach it to a leash or backpack for easy storage.