Cup of Green Tea Coasters Square Alcohol Ink Green Copper For the tea drinker. Negative space image of tea cup, surrounded by swirls of calming shades of green with metallic copper accents. Set of 4 hand-painted alcohol ink ceramic tile square coasters. 4 1/4” x 4 1/4” with cork bottoms to prevent slipping and to protect your furniture. Sealed with UV varnish and resin for durability. I ship daily using USPS Priority Mail. I accept custom requests!