Although it is new and unused, it has been stored at home. Please refrain from purchasing if you are sensitive to this. Hamster House / Small Animal House OVO/Cardboard Maze Peach This is a house for hamsters and small animals to play in. American OVO cardboard (for maze replacement) It is for maze replacement (dedicated cage), but I think it can be used in other cages if you check the size you have and it fits. Since the material is cardboard, you can adjust it by cutting it with a cutter, etc. "Hamster House" with a veranda Lots of fun mechanisms for pretend play♪ It's a designed maze made of chewable cardboard. For hamsters to relieve lack of exercise Hamsters made of cardboard It's like a maze that they can chew on, so It provides exercise and helps reduce boredom. While playing, they can scratch and chew, preventing their nails and teeth from overgrowing.