NEVER BURN AND INSULATION:Double wall design can prevent from burning hand,keep your beverage hot longer while keeping your hands coolHEALTHY AND DURABLE GLASSWARE:Hand blown borosilicate glass is lighter than normal glass,but durable and stable.100% lead-free,BPA-freeUNIQUE HEART-SHAPED DESIGN:The inner wall is heart-shaped,which is aesthetically unique and attractive.Perfect for gift to lovers and family,feel the pleasure of a beautiful glass of drinkMICROWAVE AND DISHWASHER SAFE:Wide bore makes it easy to clean.Dishwasher,microwave safe,and oven safe.Not for use with metal utensilsELEGANCE WRAPPED AND IDEAL GIFT:Heart shaped glass mugs wrapped in an elegant and stylish gift box is the ideal gift especially for a date,wedding,party,picnic,and any occasion30 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.