Premium 3.2L vacuum flask with double-walled stainless steel interior for 24-hour temperature retention

Durable food-grade PP plastic exterior with ergonomic HANDGRIP design for secure carrying

Shock-resistant borosilicate glass refill system prevents leaks and maintains liquid purity

Classic minimalist styling suits office, outdoor adventures, and family gatherings

Industry-leading vacuum sealing technology outperforms standard thermoses by 40%

BPA-free construction meets FDA/EC1935 safety standards for daily use

Extra-wide mouth accommodates ice cubes and easy cleaning

Batch purchase discount available for wholesale buyers with global logistics support