[KEEP YOUR DRINKS HOT ] Thanks To The Double Wall Design Our Clear Glass Mugs Help Prolong The Freshness Of Your Drinks. The Double Walled Mug Keep Your Beverages Hot And Cool For Longer So You Can Take Your Time And Enjoy Them [DOURBLE QUALITY GLASS ] Our Insulated Coffee Mug Are Made Using Thick Borosilicate Glass That Offers High Strength And Heat Resistance can withstand temperatures ranging from -30C to 400C. [MULTIPURPOSE DURABLE BAMBOO LID] Rather than other open lids that are susceptible to spills and loss of heat, this mug comes with a durable bamboo lid. The silicone ring around the lid allows it to close tightly to cover the mug, reducing heat loss and spillage. [EASY TO CLEAN AND USE ] These 15 Oz Coffee Mugs With Lids is Dishwasher Safe To Make Cleanups A Breeze. They Are Just Right For Enjoying Tea, Espresso, Latte, Coffee, Cappuccino, And More [THOUGHTFUL GIFT IDEA] Whether Youre Looking For A Valentines Day Gift Or Housewarming Gift, Our Insulated Glass Coffee Cups Have You Covered. They Make The Perfect Gift For Girlfriend, Mother, Father, Brother, Sister, Friends, And Co-workers On Any Occasion You Have In Mind