Petiry Leather dog leash use full grain cow leather as the raw material,We are seriously selective on the thickness and durability of leather, This type of leather is specially fine and smooth on its surface, No more scratches or burning hands after a walk session,Each hook on the leashes has all been premium polished ,just for ensuring your happy and safe waliking or Tranning with your dogs.There are 2 size dog leash for choice according to different size dogs: 4.0Feet*3/8" width 5.5Feet*3/8"width 5.5Feet*3/4"width