Description: Made of wood durable and safe. The made of transparent acrylic give your and have hours of fun watching them You can put food in the maze toy attract hamsters to play exercise the hamster s intelligence and increases activity level. Maze toy provides your small animal with a funny and for playing . Suitable for small animals hamster mice gerbil and other size small furry animals. Specification: Material: Acrylic Size Chart: 21x20x7.5cm/8.27x7.87x2.95inch Hole diameter 4.5cm/1.77inch Package Includes: 1 Piece Hamster Maze Tunnel 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 shopping!