This set of four round 16 oz tumbler glasses from Anchor Hocking features a beautifully simple block design and is made of heavy, clear glass. The glasses have a glossy finish and are adorned with the classic Manchester Tartan Plaid pattern, making them a perfect addition to any home bar or kitchen. These vintage original glasses were produced in the United States using a fused glass production technique, and are machine washable for easy care. They are unbranded and unsigned with an impressed backstamp. Ideal for all occasions, this Tartan/Manchester product line is perfect for those who love mid-century modern style.