Zak Designs 6 Piece 20oz Stemless Plastic Wine Glass Set, 20oz Stemless Wine Set comes with six 20oz capacity stemless wine tumblers. Made of break-resistant plastic. The Trinity stemless wine glass is an elegant solution to setting the table in any situation indoors or out. 100% BPA free, committed to safety. Dishwasher safe for convenient cleanup. Do not microwave.