The clear glass coffee mugs are crafted with attention to detail using high-quality borosilicate glass, which is durable and resistant but also perfectly transparent, odorless, and completely food-grade!Our insulated coffee mug with handle features double wall insulation that provides excellent thermal retention to keep your beverages, cappuccino, latte or other drinks piping hot without burning your fingers.Featuring a double-layer design, the insulated cup with handle creates a superb optical illusion making the coffee appear like it’s floating, perfect to impress your guests with an impeccable serving.