1Made of good quality PVC material,durable, wear-resistant, safe, non-toxic, no hurt to your cat. 2To prevent pet from grasping and scratching furniture, sofas, floors, and other items. And also a good grooming accessory for your pets. 3Also avoid people are scratched by your pets when in contact with them. 4Nail cap can also be used for rear claws, in order to protect cat from getting skin disease because of toe excessive scratching. 5Four sizes for choices, two color choices, suitable for your cats.