Hamster Small Pets Wooden House Funny Wheel Running Rest Nest Playing Exercise Toy(S) Features: Made of quality wood material, eco-friendly, non-toxic and safe to your pet. With fine workmanship, the surface is safe and comfortable to climb. Mute running wheel toy, providing a funny place for pets to play and rest. Helps your hamster exercise more and develop balance ability and agility. Great for hamster, mouse and other small furry animals. <br style="white-space:normal;font-size:13.3333px;"> Specification:<br style="white-space:normal;font-size:13.3333px;"> Condition: <br style="white-space:normal;font-size:13.3333px;"> Material: Wood<br style="white-space:normal;font-size:13.3333px;"> Color: Wood Size (Approx.)S&nbsp;&nbsp;M&nbsp;External Diameter&nbsp;15cm / 5.91in&nbsp;21cm / 8.27in&nbsp;InternalDismeter&nbsp;14.4cm / 5.67in&nbsp;19.2cm / 7.56in&nbsp;Base Width&nbsp;9cm / 3.54in&nbsp;12cm / 4.72in&nbsp;Wheel Outer Width&nbsp;6cm / 2.36in&nbsp;8cm / 3.15in&nbsp;Wheel Inner Width&nbsp;5.3cm / 2.09in&nbsp;7.2cm / 2.83in&nbsp;Height&nbsp;17.5cm / 6.89in&nbsp;23.5cm / 9.25in Weight: approx.&nbsp;240g/8.47oz<br style="white-space:normal;font-size:13.3333px;"> <br style="white-space:normal;font-size:13.3333px;"> Package List:<br style="white-space:normal;font-size:13.3333px;"> 1 x Hamster Toy<br style="white-space:normal;font-size:13.3333px;"> <br style="white-space:normal;font-size:13.3333px;"> Note:<br style="white-space:normal;font-size:13.3333px;"> 1. Please allow 1-2cm error due to manual measurement, thanks for your understanding.<br style="white-space:normal;font-size:13.3333px;"> 2. Monitors are not calibrated same, item color may be showing slightly different from the real object, please take the real one as standard.