All designs on glasses are with Epoxy Resin. All pigments are with mica powders(used in all makeups and also food & drink safe) - All designs are made by hand and a spinning glass tumbler. - 100% Glass - Pink, Magenta, Turquoise, and Deep Turquoise - Stemless Wine Glasses 20oz - Set of Two Glass Care * HANDLE WITH CARE * WASH BY HAND * DO NOT SOAK * AVOID EXTREME HEAT * DO NOT PLACE IN DISHWASHER OR MICROWAVE