Product data: Brand: CnGlass Material: Borosilicate Glass Colour: transparent Capacity: 250ml Number of items: 2 pcs Weight (g):450 NEVER BURN AND INSULATION:Double wall design can prevent from burning hand,keep your beverage hot longer while keeping your hands cool HEALTHY AND DURABLE GLASSWARE:Hand blown borosilicate glass is lighter than normal glass,but durable and stable.100% lead-free,BPA-free UNIQUE 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 drink MICROWAVE AND DISHWASHER SAFE:Wide bore makes it easy to clean.Dishwasher,microwave safe,and oven safe.Not for use with metal utensils ELEGANCE 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 occasion Double Wall Insulated Glass Cup Made of heat and condensation-resistant borosilicate glass, which is more durable and stronger than common glass.Keeps your liquid hot while keeping your hands cool. Lead-free high quality borosilicate-glass, Food grade materials are healthier. Can be used for Capucinno cups, Lungo cups, Macchiato, Latte, Espresso cups, Demitasse cups, Tea, smoothie and juice. When pour colored liquid into the cup,heart shape looks more clearly.