Durable MaterialThis hamster wheel is made of high-quality transparent acrylic, which is non-toxic and odorless and has a long service life. Durable and harmless to pet health. Rounded edges make it safer and more stable. Fine workmanshipThe small wheel adopts a transparent design, which is visually spacious and bright, allowing you to easily watch your pet play. Diameter 22cm Suitable for small rodents such as dwarf hamsters, hamsters, degus, rats and gerbils. Smooth and QuietQuiet dual-quality ball bearings allow the wheel to rotate more smoothly. When your little hamster moves on the running wheel, it is very quiet and you will not be disturbed by any noise. Integrated Runway DesignThis hamster exercise wheel features a seamless design that will not harm your hamsters feet or tail. Removable bracket and wheel design for easy disassembly and cleaning. washable. Easy to UseThe hamster running wheel can be used with the stand or installed on the side of the iron cage, making it easy to use. (parentheses not included here)