VACUUM INSULATION - Made from durable thick-wall with vacuum insulation system, locking in temperature to keep the freshness of your beverages for long hours. Safe and non-toxic, and high-grade stainless steel. EASY TO USE & CLEAN! - Royalford 750ML Vacuum Flask is designed with a large mouth opening for easy filling with your chosen beverage. It is easy to clean with its broad mouth too. LEAK PROOF - This Stainless Steel Flask comes with a compact lid with silicone seal which resists the leak while carrying it in the bags without worry. HIGHLY EFFICIENT - This Royalford Vacuum Flask is built up with a highly durable material that is capable enough to hold its temperature and taste for a longer time. It maintains temperature of your beverages until to serve. COMES WITH 480ML CAPACITY - After opening the lid makes filling and cleaning easy. It comes with a large capacity of 750ml, ideal for family outings, or with friends.