Coffee mug hand blown from high quality borosilicate glass. Double walled with no seams around the exterior. Stunning to look at and drink from! Includes silicone lid. This elegant mug not only keeps your beverages at the perfect temperature but also adds a touch of sophistication to your morning routine. Ideal for both coffee and tea lovers, it makes a thoughtful gift for housewarmings or corporate giveaways. Enjoy your favorite drink in style, whether at home or in the office.