1. ECO-FRIENDLY REUSABLE - The Travel Coffee Mug with Vacuum insulation and BPA free stainless steel inner wall no burning fingers. Hold the mug without any discomfort and enjoy your coffee.2. 100% LEAKPROOF - 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.3. CARRY TO GO - Stylish look, practical cup. Even when held in your hand, the sense of fashion is multiplied. Gently fits into your hand with an Anti-Sweat design. The 480 ml lightweight and compact feel make it easy to fit into most car cup holders.4. KEEP COLD / KEEP HOT -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.