Rare Whiskey Glass - Set of 2 - Inspired by the pleasures of fine whisky; the Rare Whisky Glasses concentrate aroma; enhancing the flavor through its tapered design. One of our clients says it best: Each piece is handcrafted without the use of molds by master glassblowers. The borosilicate glass allows for a range of hot and cold applications. As is the case for all fferrone glassware collections; the Rare Collection is oven; microwave; and dishwasher safe for everyday use