SET OF 6, SHADES OF GREEN DESIGNER RESIN TEA COASTERS -SVILLA001GSET OF 6, DESIGNER RESIN TEA COASTERS SVILLA001G COLOR GREEN What is a Resin Coaster? Simply, you are using a resin which is then poured into a mold to make a coaster. The coaster helps to protect your tables when placing glasses or cups onto them. The best way to clean cured resin coaster is to simply treat it as you would glass: use a soft cloth and a gentle cleaner and polish just like you would any glass surface. Resin artwork is more expensive