Description: Wood board is green material mainly composed of High strength high hardness no cracking waterproof without any substances. Hamster nests are easy to assemble and disassemble. Provide the hamster with play and rest relieve boredom and improve the level of activity. A natural solid hideout for your guinea chinchillas and other small pets. Specification: Material: Wooden Size Chart: L:17x25x15.5cm/6.69x9.84x6. M:12x19x12cm/4.72x7.48x4.72inch S:9x14x9cm/3.54x5.51x3.54inch Package Includes: 1 Piece Wooden Hamster House Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!