MING Kitten Pet Cat Toy Long Rolling Sisal Scratching Post Scratcher with 3 Roller Balls(Blue,Hotpink,Orange,Purple) Made of natural material sisal,healthy and environmental. It can help to train and exercise your pet's brain and sense organs and make it cleverer and healthy. Avoid the depression of your beloved pet when you go out and leave it alone at home. Designed especially for cats to sharpen their claws,prevent the cats from damaging your furniture.