[Quality materials]Hamster pipes are made of plastic, Sturdy yet relatively easy to take apart / change.Easy to Clean.Perfect toy for hamster,Record every lovely moment.<br> [ parent Pipe]You can see the pet's state in the pipe through the parent pipe, and better observe the pet's every move.<br> [Combined Freely ] Each section of this hamster tube can be disassembled and combined freely, you can create unique toys for your pet based on your own ideas.<br> [Size]The external pipe allows more room to expand the cage, giving the Hamster pet more room to move around.The inner diameter of the pipe is 5.5cm(about 2.17in).<br> [Fun Pet Tube]This hamster tunnels and tubes are expandable and designed to connect to other habitats, creating unlimited living space for your pet hamster, gerbil or rat.<br> 1.U line can change the channel direction.<br> 2.Suitable for hamsters, gold bears and other pet toys.<br> 3.The product can be connected so you can create more modelling channels.<br> 4.The pipeline has an opening that allows you to breathe freely without affecting the game.<br> 5.DIY Outdoor Pipe Fittings Assembly for Hamsters<br> 6.Encourage healthy play and exercise<br> 7.Applicable to the multilayer cage, expand the space<br> 8. perfect for hamsters, gerbils or mouse cages<br> Colour: blue<br> Material: plastic<br> Package Contents:<br> 1 x long straight tube<br> 2 x short straight tubes<br> 1 x 3-way tube<br> 4 x curved tube<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.