We use wood as the material to make these hamster toys. [Meet your pet's needs]: The pet hamster can enjoy a breathable and comfortable life in this maze place. [Easy to assemble]: The gerbil playground is easy to install. The whole process does not require nails or screws. [Decoration]: Dwarf hamster place can decorate your rodent's cage and help them move. [Wide use]: cage toys are suitable for gerbils, hamsters, Syrian hamsters and other small animals. The gerbil house can be a good rest place. And other toys will make rodents have fun. Type:A: Tunnel Colour:Wood Color Material:wood Package Contents: 1 * Hamster House Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.