Features: brand new and high quality Material: Hamster toy grinding stone is made of natural lava rock. The hamster platform is made of natural wood. The shelf is durable and easy to put together. Also was a huge hit for chewing. Size: About 11.8"L x 5.9"for W. Add a natural look to your pet's home, while giving him a fun spot to for play. for Ideal for hamster, rat, mouse, gerbil, chipmunk, and other small furry animals. Grinding Teeth for Small Animal: These grinding stone help grind down their constantly growing teeth. They also gives diversion and helps in preventing your pets to chewing their cage and other furniture. Increase Exercise: Chinchilla can eat, sleep and for play on the platform. It can also exercise the body of small animals. Easy to Install: The hamster platform with screws and wing nuts, it is convenient to connect with most wire cage. Specifications: Material: Wood Color: As Pictures Show Size (Approx.): Platform 30x15cm/11.81x5.90in Weight (Approx.): 335g 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! Package includes: 1 Piece Bird Perch Stand Platform with Chew Toys