Double-wall Insulated Glasses, each mug boasting christmas tree. Made of heat and condensation-resistant borosilicate glass, which is more durable and perfect than common glass that gives a smooth finish and a crystal clear look. Keeps your liquid hot while keeping your hands cool. Espresso mug made of lead-free high quality borosilicate-glass, Food grade materials are healthier. Give that someone special in your life something that they will definitely, Best ChristmasGift for family, friend. Measuring 4.5*4.3 inches, this custom 10oz christmas coffee cute glass mug. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: BPA-free, leak-proof, travel-friendly.