Specifications: Small pets like squirrel chinchilla rabbit parrot their teeth always need to grind regularly in order to eat food. Made of calcium it is natural and good for your pets. Suitable for squirrel chinchilla rabbit parrot etc. Due to the different density the weight deviation may be large. Please understand. Item Name: Hamster Grinding Stone Material: Grinding Stone Features: Non-toxic Molar Chew Toy XS: Lenth: 3cm/1.18 (Approx.) S: Lenth: 4.5cm/1.77 (Approx.) M: Lenth: 5cm/1.97 (Approx.) L: Lenth: 6cm/2.36 (Approx.) XL: Lenth: 9cm/3.54 (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 Hamster Grinding Stone