U.S. buyer attention:
The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address. But you can choose ship from China.

Spanish buyers attention:
If your address includes following postal code please do not choose the Spanish warehouse.
The zip code starts with 35/38.
Overseas warehouse cannot be delivered. But you can choose ship from China

Hamster Roller Round Wheel Natural Wood Silent Running Disc Toy Guinea Pig Gerbil Rotatory Jogging Exercise Cage for Small Pet Accessories Feature: 1. Log material is non-toxic and harmless 2. The ball bearing is extremely smooth and quiet 3. The safety frame and closed back wall can prevent animals from being caught Specification: Item: solid wood mute bracket running wheel hamster guinea pig runner small pet exercise fitness toy Material: Wood Size: S: 15cm/5.91in outside diameter, 14.4cm/5.67in inside diameter, Base width 9cm/3.54in, overall height 17.5cm/6.89in, Running wheel outer width 6cm/2.36in, inner width 5.3cm/2.09in Suitable for small mice such as hamsters, three-wire, silver fox, dwarf, in-laws, etc. M: Medium outer diameter 21cm/8.27in, inner diameter 19.2cm/7.56in, The base width is 12cm/4.72in, the outer width of the running wheel is 8cm/3.15in, the inner width is 7.2cm/2.83in, and the overall height is 23.5m/9.25in Suitable for Shih Tzu bear, tiger bear, golden squirrel, big white mouse, juvenile chinchilla, juvenile mini hedgehog, honey-pocketed mole, etc. L: Large outer diameter 29cm/11.42in, inner diameter 28cm/11.02in, Base width 14cm/5.51in, running wheel width 9.5cm/3.74in, inner width 8.6cm/3.39in, overall height 32cm/12.6in Note: Please buy a larger model to protect the spine. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement.  1 X Hamster Roller Wheel