Loading... Please wait...Charming cup covers. Coffe mug covers are functional, providing a cover to keep the insects out and heat in. They are also useful for beverages consumed in the great outdoors. No more swallowing uninvited bugs who frequent your soda or wine. Each cover has it's own personality and is a great conversation starter. These coffee mug covers are sure to bring a smile to those you encounter while hanging out at the coffee maker at work.