This is a premium pet chew and bite toys. Made of cuttlebone material, it is safe to chew and play. It is good for pets' teeth with calcium stone. Can exercise pet as well during playing with it. Calcium supplements to rickets, It is a good gift for your birds pet. Features - - Material: Cuttlefish bone. - Size: 17.00X7.00X4.50cm/ 6.68X2.75X1.77inch. - These bird chew toys are made from cuttlefish bone and contain many natural calcium minerals. Safe and healthy for birds.- These bird chew toys are made from cuttlefish bone and contain many natural calcium minerals. Safe and healthy for birds. - 10-12CM fine polished cuttlebone, suitable for the size of birds. - Lightweight and compact, the size is very suitable for the bird cage. - There's a bell downstairs. We don't have much time to accompany it. But it has life so it can think. We need such an interesting toy to make it fun. - Suitable for parrot, hamster or other climbing pets. Package list: 6 x cuttlebone toys