Premium 400ml Stainless Steel Vacuum Flask with Mirror-Finish Lid

Double-wall vacuum insulation maintains beverage temperature for 12 hours (hot/cold) with 18/8 food-grade stainless steel interior.

Precision-engineered copper layer enhances thermal retention while mirror-polished lid adds luxury aesthetic.

Leakproof push-button lid features one-touch operation with 304 stainless steel reinforcement.

Ideal for office commutes, outdoor adventures, or as a premium corporate gift with bulk order discounts available.

Ultra-lightweight (380g) with scratch-resistant sandblasted exterior finish.

Commercial-grade construction supports high-volume procurement with OEM customization options.