Sisal
The rope has a rough fleecy structure, which is suitable for very active, strong cats. Has high wear resistance.
Jute
Jute rope is not prickly, not coarse, softer. It has a lower margin of safety, but is suitable for small kittens with delicate paws.
Cotton
The most durable material that endures many years of operation. Keeps a neat appearance, practically does not fray and does not create dust.