As the name suggests, the 'Heavy Base' glassware collection from Libbey features a thick sham and is constructed of high-quality glass covered by the Safedge Rim Guarantee. the Heavy Base Highball glass features a sleek cylindrical design, subtly tapering in from the rim to the sturdy base. This durable glassware is made to withstand frequent use in bars and restaurants, so if the rim ever chips, Libbey will refund or replace the item. Great for serving whiskey, scotch and liquor on the rocks, or cocktails such as mojitos, Mai-Tais or a White Russian. - Glass - Capacity 7 oz - Top Diameter 2-1/2 in - Base Diameter 2-1/8 in - Height 4-3/8 in - Sold per case; 48 per case