The Vintage Libbey Hoops Crisa Clear Water Glass Drink Tumbler with Ribbed Rings is a charming two-piece set of round glass tumblers featuring a retro design. Signed by Libbey, this vintage piece is perfect for all occasions and is made of glossy clear glass. Machine washable and dishwasher safe, this pressed glass tumbler is a nostalgic addition to any kitchen or barware collection, showcasing the production style of the United States in the past.