Detachable Plastic Penthouse House 4cm Door Blue White for Pet Hamster Product Name : Pet Hamster House;Material : Plastic Total Size : 13.6 x 8.5 x 11.7cm/ 5.4" x 3.3" x 4.6" (L*W*H);Entrance Hole Dia : 4cm/ 1.6" Main Color : Blue, White Weight : 84g Package Content : 1 x Pet Hamster House