Dog rope materials vary by purpose and manufacturer, but common materials include cotton rope, nylon, and rubber.
Cotton rope dog bites are usually woven from natural cotton fibers. They are soft and comfortable and won't hurt your dog's teeth, but they can be easily cut by the blade.
Nylon dog bites are made of wear-resistant, rip-resistant nylon, which is more durable and suitable for dogs of all ages because of its moderate softness, but harder nylon can scratch your pet's mouth.
Rubber dog ropes are usually made of natural or synthetic rubber materials, and are specially designed to calm your dog's nerves while providing some flexibility and non-slip. This material is relatively strong and can withstand the bite of a dog's mouth.
In a word, each material has its advantages and disadvantages. When choosing a dog leash, choose the right material based on your pet's breed, size, age, and purpose.