[Wall Glass Coffee Mugs] This coffee cup is made of scratch free borosilicate, high temperature and condensation , 100% lead free and free, To provide you with the safest and healthiest glass coffee cup. [Comfortable To Hold] This double-layer cup glass insulation allows you to hold a hot drink in your hands without burning them, They are comfortable to the touch and can also be used as an iced coffee cup, with the cold drink sitting in the glass while you stay warm. WIDE USE: This clear glass mug is versatile, it can be used for coffee cups, tea cups, beverage cups, milk cups, beer mugs, clear mugs, etc. with a large capacity of 275ML, you can add milk or sugar to your cup of coffee when you are brewing it without overflowing. So it's an perfect size that can be fully applied in and bring you a wonderful life experience. [Double Glass Design] With double glass design, perfect heat insulation, the outer layer not heat up, prevent hot hands, you can keep your favorite liquid at a certain temperature for a longer time. [The ] These mugs are perfect for personal use or as thoughtful gifts for your friends, family, co-workers and are sure to be a valuable addition to any kitchen or coffee setup.