Coffee Mugs: Get a set of 16 borosilicate glass coffee mugs. Durable: The mugs are heat resistant and super durable yet lightweight. Ergonomic: The mug lip is designed to lessen spills. Clear: The modern, clear glass design of these mugs means they will suit any home and kitchen décor! Safe: Dishwasher and microwave safe! | Borosilicate Glass Coffee Mugs | Wowcher