Description This chewing calcium stone will be a healthy treat for your small pet. In addition, it also can provides a lot of fun for pet, relieve boredom and stress, prevent them from producing depression, and maintain mental health. A good choice for hamster, guinea pig, rats and so on. Features - Color: Sky-blue.- Material: Mineral.- Size: About 2.50X2.50X2.50 cm/0.98X0.98X0.98 in.- Avoid your pet grinding the nest, furniture or cage.- You can put it on the cage, convenient, hygienic, and avoid grinding the nest or cage.- With premium material, safe and practical for pet use.- A great gift for your small pet, builds a more friendly and healthy environment for pet's growing-up.- Help the small animals to add more nutritive substances during chewingPacking list: 6 x Grinding Stones