These long lines leashes are great for recall training, special material is coated with a durable & robust webbing that makes it apt for any terrain. 

These are flexible and don't tangle as easily as regular nylon leashes. Light weight with high tensile strength, complemented with stainless steel Chicago Screws & snap hooks that won’t rust or weaken with time. The reflective strip has the added advantage of being visible in low light, making it easy to spot your dog. Unlike nylon leashes these are waterproof and smell proof

They’re both suitable for dogs of any age and size.