Size: 4 feet long, 5mm diameter. It's perfect for any size breed dogs, especially medium to large dogs in daily use, training, walking, outdoor activities..Chew Proof Dog Leash - This dog leash is made with steel braided cable with PVC coated, which is very strong and anti-bite, great for chewer or large dogs..Water Proof Dog Leash - This dog leash cable is water proof so that you can use in any weather, humid weather or rainy weather, also very suitable for beach activities. It's easy to clean, if it gets dirty, just wipe it with a damp cloth..Reflective Soft Padded Handle - The handle is made with nylon and neoprene padded, it's comfortable enough for even long walks. The handle is also with reflective strips to make sure you and your pet's at night walk..This steel cable leash is such durable and lightweight, suitable for both small and large dogs, and there are 3 lengths to choose from, we recommend 4 feet for large dogs, 5/6 feet for small and medium dogs