[Durable material] The body uses ABS engineering materials, high-strength plastic moldings, making the surface smooth and durable, strong and durable. [Easy to use] Agile button - The one-hand brake -, pause and lock button is very flexible. ideal for walking, running, jogging, training, camping and hiking or for a leisurely stroll in the garden. It is ideal for everyday use. [Medium Size] This adjustable leash is ideal for small to medium dogs and ideal for young large dogs and adult small to medium breeds. Fast locking and unlocking function. [Quality] The dog leashes have pin carabiners. They can be rotated 360 with a swivel joint and can therefore be easily hooked onto the dog collar or dog harness. Ergonomic, non-slip handle - The non-slip, soft handle and the strong handle bring you a comfortable walking experience with your pets. You don't have to worry about the dog leash hurting your hand when the dog runs around like crazy. Easy to roll up and down with your thumb. Allows you to adjust the distance between you and your dogs at any time, protecting the safety of pets and other pedestrians. One-hand operation button can be locked and unlocked with a key. You can adjust the distance between you and your pet at any time. Just pull the leash to a comfortable length and run free.