Features: 1. These natural lava stones, are with perfect size and shape for critters to chew safely. Dimension: 1.18"x1.18"x1.18" each cube. 2. Perfect for chinchillas, hamsters, rabbits, guinea pigs, gerbils, birds, and any other small furry animals. 3. for Ideal for small pet gnawing biting, to keep their teeth clean, healthy and trimmed. It is also great for mental stimulation. 4. Your furry friend can keep its teeth in super shape by gnawing the side angles of our natural mineral stones. 5. Package include:10 teeth grinding stones. Remember to remove the plastic that wrapped on each stone before giving it to your pet. Specifications: Material: Lava Stone Color: As Pictures Show Size: Approx.3x3x3cm/1.18x1.18x1.18in Weight: Approx.170g Package Includes: 1 Set Teeth Griding Stones, Including: 10 Pieces Lava Stone Toy note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!