Vktech&reg; Pet Dog Nylon Training Leash Lead Strap Rope Adjustable Traction Collar Soft, smooth, durable and reusable It is a little stretch and feels good It is too strong to be bit and tore by dogs This leading leash can serve as collar; its circumference is very large and can be adjusted freely You'd better to adjust the size of collar bigger than that of your pet's neck in case your dog is tightened