Nordic Naturals Vacuum Flask - 500mlCrafted from premium stainless steel, this flask features double-wall vacuum insulation designed to keep beverages cold for up to 24 hours and hot for 12 hours—perfect for long days out, gym sessions, or commuting. With its robust stainless steel body, leak-proof cap, and 100% BPA-free construction, this flask safeguards your drink’s purity—no flavour transfer, no rust, and absolutely no spills, even when tossed in a backpack. Its minimalist design—with clean lines and a matte-coated or brushed finish—makes it both stylish and functional. The wide mouth accommodates ice, tea bags, or fruit slices, and it's easy to clean by hand (the lid is dishwasher-safe). The compact size strikes a balance between capacity and portability—ideal for commuting, working, exercising, or relaxing outdoors. Whether it’s iced brew, herbal tea, or hydration on the go, this flask enhances your daily routine. Nordic Naturals combines sleek aesthetics with premium build quality and eco-conscious thinking. This flask brings reliable performance, versatility, and style—making it a top-tier option for health-conscious, active individuals.   Parameters:- Capacity: 500 ml (17 oz)- Material (Body): High-grade 18/8 stainless steel (food-grade, rust-resistant)- Insulation: Double-wall vacuum insulation- Thermal Retention: - Keeps beverages cold for up to 24 hours - Keeps beverages hot for up to 12 hours- BPA-Free: Yes (safe for hot and cold drinks, no plastic taste or chemical leaching)- Leak-Proof Lid: Secure screw-on design with silicone seal- Mouth Opening: Wide mouth – ideal for ice cubes, easy filling and cleaning- Exterior Finish: Matte-coated or brushed steel (sweat-proof, scratch-resistant)- Eco-Friendly: Reusable, plastic-free design for sustainable hydration- Height: ~23–25 cm - Diameter: ~7 cm - Weight: ~300–350 g (empty)- Dishwasher Safe: Lid (hand-wash body recommended for durability)