Premium Double-Wall Vacuum Insulation: 18/8 food-grade stainless steel construction with advanced vacuum seal technology maintains optimal beverage temperature for 24 hours (hot/cold).

Custom Wide Straw Compatibility: Features precision-engineered 45mm diameter straw opening for smoothie-friendly use, reinforced with anti-leak silicone gasket.

Rugged Outdoor-Ready Design: Military-grade powder coating resists scratches, while the ergonomic straw handle provides secure grip during hiking/camping.

Commercial-Grade Durability: CNC-machined base with laser-welded seams withstands 500+ dishwasher cycles, ideal for gym/food service bulk procurement.

Bulk Order Advantage: Direct factory pricing enables 60% cost savings versus retail brands at 500+ unit quantities with custom logo options.