Specifications:Material: Lava?Cube Size: 1.97* 1.97* 1.97inch/ 5* 5* 5cm?Oval Size: 3.54* 1.77* 0.59inch/ 9* 4.5* 1.5cmFeatures:? The perfect size and shape ideal for gnawing pets to keep their teeth clean, healthy and trim.? Perfect for small animals, such as hamster, chinchilla, rat, bunny, rabbit, gerbil, guinea pig, squirrel and so on.? These hamster lava block chew toy can encourage pets to do more sports, lightweight, most pets will be able to push, toss, and roll it.? Natural lava rock, ideal material for rodent pets grinding their teeth, and rich in unique high calcium element, make pets healthier. ? A good companion for pets during grinding their teeth, allows pets to vent their bad feelings through lava block, maintain mental health. Package Included: 10 x Teeth Grinding StoneNotes:?Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.?Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!?If there are any quality problem, please contact us, we will solve your problems within 24 hours.