Alfie Pet Accessory - Jake Denim Back Pocket Belly Band (for Boy Dogs) Please note that this listing is for the size Medium. Fit waist 10.5" - 12.5" (5.25" wide). For belly bands, you want to take the girth measurement at the waist (in front of the back legs). Wide, matching velcro closure provides secure fastening without bunching, lifted edges or corners. For extra absorption, just add a panty liner or tissue. Perfect for travel in the car, airplanes, dog friendly hotels, stores and cafes. Great for pet with incontinence problem. 100% cotton lined with a double layer of diaper flannel. Machine washable and quick drying.