Premium 316 Food-Grade Stainless Steel: High-end corrosion-resistant material ensures durability and safe contact with beverages, surpassing standard 304 stainless steel in performance.

Advanced Vacuum Insulation Technology: Double-wall construction maintains optimal temperature for 12+ hours (hot/cold) with precision-sealed copper lining for maximum heat retention.

Bullet-Design Ergonomics: Streamlined shape offers comfortable grip and space-efficient storage, ideal for outdoor adventures, office commutes, or gym hydration.

Small Lid Precision Engineering: Leak-proof twist mechanism enables one-handed operation while driving/cycling; food-grade silicone gasket prevents spills.

Multi-Scene Versatility: Perfect for hiking (lightweight 320g), business travel (sleek metallic finish), or kids" lunchboxes (BPA-free construction).

Wholesale-Optimized Packaging: Ships flat to minimize logistics costs, stackable for bulk storage. 500ml capacity balances portability and daily hydration needs.

Professional-Grade Finish: Brushed metal surface resists fingerprints; reinforced base prevents dents from repeated use.