The teeth of small rodents grow continuously, owners need to prepare grinding tools for them, or else they will be uncomfortable if their teeth are too long. This item is well made in natural stone mineral for grinding pet&39;s teeth. It helps the small animal to add more nutritive substances during chewing and make it more robust.Features- Color: White.- Material: stone.- Size: About 5 x 4.5 x 1.5cm/1.97x1.77x0.59 inch.- Natural mineral with calcium, safe for pets to chew.- Middle small hole design for easy lanyard wearing. You can fix it on the cage, convenient, hygienic, and avoid grinding the nest or cage .- It helps the small animal to add more nutritive substances during chewing and make it more robust.- Bright color and creative shape design make it easy to attract attention of you pet.- Great for parrot, hamster, rabbit, guinea pigs, chinchillas, squirrels and other small animals.