The chic, practical coasters I found combine form and function to keep your coffee table or any surface ring-free while looking absolutely charming.

How many times have you made a cup of coffee or tea and it’s been too hot to drink ... though that depends on how bad your caffeine addiction is. To set the coaster, a strip of LED lights ...

Looking for the perfect winter desk accessory? [Wq] has created a beautiful coaster made out of PCBs that can keep your drink warm with an internal heater. (Chinese). An ESP8266 sits as the main ...

Use them as a small tray Some coasters are completely flat whereas others have sides to help hold the base of your drink in ...