The Royalford Vacuum Mug with double wall insulation and BPA free inner wall no burning fingers. Hold the mug without any discomfort and enjoy your coffee. This Royalford Travel Mug has a compact lid and the mug body can effectively prevent leakage and carry it safely in your bags with no worrying about the spills. Even when held in your hand, the sense of fashion is multiplied. Gently fits into your hand with an anti-sweat design. The 450ml lightweight and compact feel make it easy to fit into most car cup holders. This insulation design ensures beverage can stay either hot or cold for long periods. Retain the temperature of your chosen beverage for a prolonged period of time when you choose Outdoor.