aterial, super quality,, not easily damaged naughty cockroaches. - Can be used outside the cage. - Expand your habitat and provide more space for. Available in a variety of colors. - Hamster tunnel is a safe place for curious creatures who wish to explore and promote exercise and healthy habits. - It can be connected, you can make more modeling channels. - Warm Tip: Dear buyer, due to lighting effect, monitor' brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package Including 2 x tube