PYRUS Pet Supplies for Dogs Leashes Adjustable Harnesses and Heavy Duty Denim Dog Training Walking The pet supplies for dogs leashes has 4 different sizes (XS,S,M,L) which perfects for various pets. Every dog training leash can be adjusted by using the hard plastic rings. The collar is fully adjustable and comfortable for your dog. Durable Materials: Made of strong denim cloth, wear-resistant and durable. The dog harness is convenient and safe for walking, running, training, and simply playing. Please note it is made of denim cloth, it is necessary to be washed before your first using.