Premium 13oz Borosilicate Glass Construction

Crafted from high-quality borosilicate glass for superior thermal shock resistance, ensuring durability against extreme temperatures (-20°C to 150°C). Non-toxic and BPA-free material guarantees safe drinking experience.

Innovative Double-Wall Insulation Technology

Vacuum-sealed double-wall design maintains beverage temperature for 6-8 hours (hot/cold). Condensation-free exterior prevents surface sweating.

Patented Leak-Proof Twist Lock Mechanism

Precision-engineered silicone gasket and threaded stainless steel lid create 100% spill-proof seal. One-hand operable design for portability.

Built-in Tea Infuser System

Removable 304 stainless steel mesh infuser (400μm filtration) enables perfect tea-steeping. Separate compartment keeps leaves/water apart for controlled brewing.

Multi-Scene Application Ready

Ideal for office hydration, gym workouts, travel companion, or loose-leaf tea/cold brew preparation. Dishwasher-safe for easy cleaning.

Commercial-Grade Capacity

400ml optimal volume balances portability with sufficient intake. Ergonomic neck width accommodates standard ice cubes.

Wholesale Advantage

Direct-from-factory pricing with bulk order discounts. Global shipping available for resellers and distributors.