Features:
Cartoon pattern coaster, stylish and beautiful.
Powered by any devices with output 5V USB port, such as your computer, desktop, laptop, tablet, mobile power and so on, easy and convenient.
It is the best tools for resin projects, and it make temperature increase
and accelerated resin curing, and also bubble Eliminator.
Perfect for keep your beverages warm, such as coffee, , milk , water etc.