Vktech&reg; Adjustable Dog Pet Training Neck Leash Soft, smooth, durable and reusable. It is a little stretch and feels good. The weave is very close and ordered. Material: Nylon; Length: approx.130cm / 51 inch Diameter: approx. 0.6cm / 0.23inch, 0.8cm / 0.31inch, 1cm / 0.39inch