How do I remove the silicone cover?

Grab the silicone cover at one edge and simply pull towards the opposite side of the Treat Spinner.

How do I clean the Catit Treat Spinner?

All parts of the Treat Spinner are dishwasher safe. Simply remove the silicone cover from the base and place both parts in the dishwasher. You can also wash both parts with a soft sponge and a non-abrasive cleaning agent that’s safe for your cat.