Made of silicone,environmental certification, non-toxic, safe, durable. Protect homes against destructive scratching by applying soft claws nail caps to cat nails, very easy to master at home to help the cat to complete the installation. When applied to front paws, they reduce the potential for damage due to your cat scratching behavior. Nail Caps for cats can also be applied to hind paws to help reduce aggravation of existing skin conditions due toe excessive scratching. 10 different colors choice to make your kitty more cute. Only for cats, suitble for 0.5-2.5 kg. Package including 20pcs cat nail covers and 1pcs glue.