- DOUBLE WALLED INSULATION: Our insulated coffee mug is designed for comfort, with a temperature resistance range of -20 to 150°C (-4 to 302°F). Enjoy hot beverages without the risk of burns and keep cold drinks without condensation on surfaces. - PREMIUM BOROSILICATE GLASS: Crafted from mouth-blown, lead-free borosilicate glass, this mug is more durable than standard glass. It provides a clear, elegant appearance, making your beverages appear to float and ensuring safe contact with any liquid. - DISHWASHER SAFE: This double insulated coffee mug is lightweight, yet exceptionally heat-resistant and durable, suitable for dishwasher cleaning. For best care, hand washing is recommended. - SET OF 2 WITH LIDS: Each set includes two mugs with lids, allowing you to cover your drink and keep it clean when not in use. Available in 350ml and 450ml sizes, perfect for espresso, tea, coffee, lattes, and mochas. Practical Use Scenarios: - Ideal for enjoying your morning coffee at home or in the office, ensuring a comfortable drinking experience without burns. - Perfect for serving cold beverages at parties, keeping drinks chilled without messy condensation.