• サイズ: 2.5 * 2.5 * 2.5 cm
• These are good サイズ and shape for gnawing pets to keep their teeth clean， healthy and trim
• The molar stones are made of natural lava and unique calcium ingredients
• It is easy to hang the cage with the hook.
• Perfect for chinchillas， hamsters， gerbils， rats， rabbits， squirrel， guinea pigs and other furry animal