Specifications: Teeth grinding stone is a must for small pets like hamster because their food is always hard to bite. This type of stone is made from natural mineral which is good for their health and absorb some nutritions. Slight soft is convenient for them to grind. Grinding their teeth and cleaning their teeth meanwhile. 2 size can be available for you to choose. Can be hang on the cage with a rope and convenient for your pets. Item Name: Pet Molar Stone Material: Calcium Stone Features: Hanging Chew Toy Bite-resistant Teeth Grinding S Size: 3cm x 2.5cm x 2cm/1.18 x 0.98 x 0.79 (Approx.) L Size: 4cm x 3.5cm x 2.3cm/1.57 x 1.38 x 0.91 (Approx.) Notes: Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Pet Molar Stone