Leak proof, shockproof, and rustproof, ensure lasting freshness and flavor. Atlasware 500ml Stainless Steel Flask has double wall insulation and high-grade stainless-steel construction. It keeps drinks at the perfect temperature for up to 18 hours hot and 24 hours cold. This flask is also 100% BPA-free and designed for safe preservation. Enjoy your favorite beverages wherever you go with this versatile flask.
