slip lead dog leash, reflective mountain climbing rope leash, dog training leash – 5ft, 2 sizes (medium, black) pet's company this slip on leash is designed as collar & leash all-in-one type for walking, jogging and training dogs. it is made with polyester, making the leash very lightweight and durable. material: polyester sizes: medium – 3/8 inch x 5 feet, large – 1/2 inch x 5 feet colors: black, grey, pink, turquoise features: 1. easy to use. 2. enhances handling. 3. reflective for night time. 4. the stopper adjusts the collar to fit any size neck and prevents slipping out.