Premium 500ml Double Wall Stainless Steel Vacuum Flask with Smart LED Temperature Display

Advanced vacuum insulation technology maintains beverages hot (12hrs) or cold (24hrs) without condensation. Medical-grade 18/8 stainless steel interior resists rust and odors while ensuring purity.

Patented digital LED screen displays real-time liquid temperature (℃/℉ toggle) via precise sensor. Brushed steel exterior with laser-engraved刻度线 for precise measurement.

Military-grade drop resistance (1.2m tested) with non-slip silicone base. Leak-proof swing lid with one-hand operation, ideal for office commute gym hiking and travel.

FDA-approved food contact materials. Custom logo printing available for bulk corporate orders. Compatible with car cup holders and standard bottle cages.