DURABLE NYLON ROPE LEASH: Reinforced heavy duty long nylon dog training leash, solid metal clip great for small and medium dogs. SIZE: 8mm in diam by 15ft, 20ft, 25ft, 30ft, 35ft, 40ft, 50ft,100ft eight length for different training purpose.Great for hiking, camping, training, hunting, backyard, beach, recall training, outdoor play with tennis balls, and swimming! DOG TRAINING LEAD: It's a long line leash that has enough length for your pets to wander, you can easily teach your dog recalls in outside, or more. LIGHTWEIGHT AND PORTABLE: This leash is lightweight and easy to carry. 15ft: approx 0.26lb; 30ft: approx 0.48lb; 50ft: approx 0.72lb. If you have interest in other 4ft or 6ft dog leash, welcome to check in our MayPaw store. MayPaw is 7/24 service for you!