Inner material: SUS316 food-grade stainless steel
* Outer material: Stainless steel with a powder-coated or painted finish
* Insulation: Double-wall vacuum insulation
* Capacity: Commonly available in 750 ml and 1 L models.
* Temperature retention:
* Hot: Up to 12 hours
* Cold: Up to 24 hours
* Leak-proof: Yes, with a silicone-sealed screw lid
* Features:
* Rust and corrosion resistant
* BPA-free drinking components
* Sweat-free exterior
* Suitable for coffee, tea, water, soups, and cold beverages