The 580ml sporty vacuum flask features double-layer vacuum insulation, keeping your drink hot or cold for up to 8 hours. It features a wrist strap that is convenient to bring around. The interior is made of 316 Stainless Steel, the lid is made of PP polypropylene, and the sealing ring is made of silicone rubber.
**Product Features:** - 580ml Capacity - 316 Stainless Steel Inner Wall (high temperature resistant, anti-oxidation, corrosion-resistant) - 304 Stainless Steel Outer Layer - Copper Plated Inner Wall - Vacuum Insulation Layer - Long-lasting Insulation (8 hours and above) - PP Material Dust-proof Cup Lid (safe and heat-resistant) - Circular Silicone Sealing Ring (safe and non-deforming) - Wear-resistant and Non-slip Silicone Pad (anti-slip and durable) - Comes with a Straw
**Note: Adding hot water above 60°C may cause high internal pressure, which could lead to hot steam or water spraying out when opening the lid. Please use it safety.
