3rd Hand Leash (TM) -- Hands-free Dog Leash, Sport Leash, Hands Free Pet Leash, Armband for iPod Nano/ Shuffle, Arm sizes: 9 Continuous hands-free up to 20lbs Occasional hands-free for dogs weighing more than 20lbs Pocket for holding: iPod Nano/Shuffle, Money, I.D, Credit card, a key, etc Grip handle for extra control, Optional soft grip: closes with Velcro and can store a doggie bag Adjustable arm length: between grip handle and arm band and to match dog and dog owners height