Clear Plastic Glasses for Iced Tea Glasses, Water Glasses: Plastic Tea Glass - Clear Plastic Tea Glass 6" tall, holds 14 oz Dishwasher safe clear plastic. Thick plastic that looks like glass. Made by Biot, a family owned glass blowing business started in 1956 that now does plastic. Matching Biot plastic pitcher, plastic dinnerware, multiple size bowls, wine glasses and tumblers also available. Matching Biot plastic plates, bowls, pitchers, etc. available.