Practical Coaster

This is a simple, functional and practical coaster for your home and kitchen needs. The outer diameter is 90mm and the wall is only 1mm thick. The inside is fillet so that it is very easy to clean. The height of the coaster is 8mm, can hold a lot of spills and condensation. To use the coaster, simply put a glass or mug on top of it! You can also put the coaster on top of your glass or mug and protect your drink from evil dirt and flies!