Libbey Glass Heavy Base Collins 11 oz cs 3 dz 21.5lbs Heavy Base Collins 11 oz cs 3 dz - Enjoy your refreshing Collins cocktails in the Heavy Base Collins glass. This case contains three dozen 11 oz glasses, featuring a tall and sleek design that is perfect for serving a variety of mixed drinks. Whether it's a classic Collins or a creative concoction, the Heavy Base Collins glass is a stylish and practical choice for bars, lounges, or any establishment that wants to offer a visually appealing and enjoyable drink experience.