About This NEVER BURN AND INSULATION:Double wall design can prevent from burning hand,keep your beverage hot while keeping your hands cool KEEPS YOUR COFFEE HOT FOR LONGER:Glass coffee mugs for hot beverages that keep your latte,cappuccino or coffee hot while your hand stays cool. MICROWAVE AND DISHWASHER SAFE:Safe for dishwasher and microwave,freezer use.borosilicate glass is easy to clean and built to last. ELEGANCE WRAPPED AND IDEAL GIFT:The elegant and stylish clear glass with gift box packaging as the ideal gift for your family or friends especially on special occasions. HEALTHY AND DURABLE GLASSWARE:Hand blown borosilicate glass lighter than the normal glass,but durable and stable.100% lead-free,BPA-freey.If you are not satisfied with our clear glasses cup,we promise to offer a replacement or refund.Buy it with confidence please. 30 DAYS FREE REPLACEMENT:Customer satisfaction is CnGlass top priority.If you are not satisfied with our clear coffee mug,we promise to offer a replacement or refund.Buy it with confidence please. Overview Brand : CNGLASS Color : 13.5oz(4-pack) Special Feature : Double Wall Design Style : Modern Theme : Mother's Day, New Year, Christmas, Housewarming, Anniversary, Birthday Material Borosilicate Glass : Capacity 400 Milliliters : Material Borosilicate Glass : Capacity 400 Milliliters