Libbey Straight Sided Collin Glass, 10 Ounce - 6 doznes per case.

Libbey Straight Sided Collin Glass, 10 Ounce -- 6 doznes per case. Libbeys heat-treated tumblers and stemware are created through a special heating and rapid cooling process after the glass is formed. This secondary process on "blown" glassware is performed only on the upper portion of the glass whe