64oz Outdoor Insulated Vacuum Flask from China Suppliers - Factory Direct, Perfect for Sports & Leisure Use

This premium 64oz vacuum flask features double-wall copper-plated insulation technology, designed to keep your beverages ice-cold for up to 24 hours or piping hot for up to 12 hours, making it ideal for sports and outdoor adventures.

Yes, the flask is equipped with a 100% leak-proof lid and a secure silicone sealing ring, ensuring that no liquid spills out even when the bottle is shaken, turned upside down, or stored in a backpack.

The flask is manufactured from high-quality, food-grade 18/8 (304) stainless steel. It is completely BPA-free, non-toxic, and resistant to rust, corrosion, and flavor retention.

Yes. Despite its large 64oz capacity, it is designed with an ergonomic, heavy-duty handle or integrated carrying loop, allowing you to easily carry it during hiking, camping, gym workouts, or cycling.

To preserve the integrity of the vacuum insulation and the exterior powder coating, we highly recommend hand washing the flask with warm soapy water and a bottle brush, though the lids can be washed on the top rack of the dishwasher.