Premium 450ml stainless steel vacuum flask with advanced double-wall insulation for 12-hour temperature retention

Professional-grade tea filter integrated into the lid for convenient loose-leaf brewing on the go

Military-grade 18/8 stainless steel construction with copper-plated vacuum layer for superior heat preservation

Leakproof twist-lock mechanism with silicone gasket ensures 360° spill-proof performance

Precision laser-welded seamless interior prevents flavor transfer and bacterial buildup

Sandblasted matte finish with diamond-cut edges combines durability with executive aesthetics

Perfect for corporate gifting, outdoor adventures, or daily office hydration needs

Commercial-grade durability withstands 500+ dishwasher cycles without performance degradation

FDA-approved food-grade materials with BPA-free components for safe drinking experience