This double wall glass mug with lid is perfect for enjoying coffee, tea, or other drinks while keeping them hot or cold. The silicone seal cover ensures no spills, while the high borosilicate glass material is safe and non-toxic. The elegant arc shape is comfortable to hold and the cup is microwave and dishwasher safe. With a capacity of 350ml or 450ml, this mug is perfect for home, office, or travel use. Features: 1. Comfortable to hold, the elegant arc-shaped line keeps you grasped the glass comfortably, can hold coffee, tea, lemonade, DIY simple fruit tea or whatever else you like. 2. Equipped with silicone sealing cover, splash-proof design, safe to use, when the cup cover and the movable buckle are closed, it can be splash-proof. When drinking, turn the movable button to the temporary position to expose the drinking spout. 3. The glass coffee mug has a double wall glass cup design that adds protection for your hands from your glass mug for hot beverages, keep your drink warm or cold for longer. 4. High borosilicate glass material, high temperature resistance, lead-free, cadmium-free, and safe non-toxic, you can rest assured use. 5. Wide range of applications, the cup can be used in microwave ovens, ovens, dishwashers, cabinets, etc. Specification: Material: Glass, Silicone Color: Pink, Yellow, Blue, Black Capacity: 350ml, 450ml Product Size: 9 x 9 x 13cm, 9 x 9 x 16cm Product Weight: 180g, 200g Package Included: 1 x Double Wall Glass Coffee Mug