Features: Eco board is a wood based green material. High strength, high hardness, no cracking, no moth eaten, waterproof, anti-aging without any toxic substances. Hamster houses and staircases are easy to assemble and disassemble. Provide hamsters with play and rest place, relieve boredom and improve activity level. Specifications: Color: blue Material: ecologic board Size: 14*9*8 cm/5.51*3.54*3.15" Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 x Hamster House