PRIME FLASK – Premium 420ml Double-Wall Stainless Steel Flask with Vacuum Insulation & Leak-Proof Silicone Seal Experience superior temperature retention with our engineered double-wall stainless steel construction. The advanced vacuum insulation technology maintains your beverages at optimal temperatures for extended periods—keeping hot drinks steaming for hours and cold beverages refreshingly chilled throughout the day. Designed with precision engineering, the leak-proof silicone seal ensures your bag and belongings remain protected from spills and leaks. The 420ml capacity strikes the perfect balance between portability and functionality, making it ideal for daily commutes, office environments, and outdoor activities. Crafted from premium-grade stainless steel, this flask resists corrosion and withstands daily wear while maintaining its refined aesthetic. The durable construction guarantees long-term reliability, making it a worthwhile investment for those who demand quality in their everyday essentials. Whether you're a professional on the move or an
