Capacity: 250ml Material: Borosilicate Glass Premium quality glassware is known for durability & elegance Dishwasher safe Size: 8.4cm(Dia) x 8.8cm; Gross weight: 300G DOUBLE WALL INSULATED GLASS MUGS - This Royalford Double Wall Mug Set keep the temperature of liquid hot or cold for a longer period of time while the outer glass wall remains comfortable to touch. Moreover, our mugs also keep iced coffee cold longer than porcelain or ceramic cup. SUPERIOR BOROSILICATE GLASS - 100% lead-free these insulated coffee cups are made of premium quality borosilicate glass materials, which are more durable than normal glass, with high-temperature resistance. PERFECT SIZE WITH HANDLE - With a big and easy to grip handle, wide opening and the thick stem it is perfect for sleepy or shaky hands; easy to hold and lightweight, ideal 250ml capacity for enjoying Latte, Cappuccino, Espresso, tea, smoothie, beer, juice, ice cream, and other hot or cold beverages NO CONDENSATION - The double-wall construction also prevents condensation from forming on the outside of the mug, so no need to worry about those irritating rings forming on the table. FOR ALL OCCASIONS - The clear glass coffee mugs give a smooth finish and a crystal clear look, creating a nice feeling in the hand, it’s a perfect addition to your breakfast and afternoon tea time. A clear coffee mug could be the ideal gift for your family or friends, especially on special occasions.