Fferrone’s Dearborn collection literally turns glassware inside out: each piece from the collection features intricate linear detailing on its interior. This set of two tall glasses is handcrafted by Czech master glassblowers from borosilicate glass, which has thermal resistance to a range of hot and cold temperatures. It is oven, microwave, and dishwasher safe. Fferrone Design Dearborn set of 2 glasses