Premium Double Wall Vacuum Insulation - Maintains beverage temperature for 12+ hours (hot/cold) with advanced copper layer reinforcement

Surgical-Grade 18/8 Stainless Steel - Rust-free & odor-resistant interior, BPA-free construction for pure taste preservation

Military-Grade Durability - Drop-resistant design with reinforced base and precision-welded seams

360° Leakproof Lid - One-touch open mechanism with silicone gasket, tested for vertical/horizontal pressure

Multi-Surface Powder Coating - Scratch-resistant matte finish available in 8 colors (non-slip grip texture)

Optimal Capacity Options - 500ml/750ml/1L sizes with wide-mouth opening (fits standard ice cubes)

Professional Use Cases - Ideal for construction sites, hospital shifts, outdoor adventures, and office commutes

Wholesale Advantage - Direct factory pricing with MOQ flexibility (custom branding available for bulk orders)

Certified Safety - FDA/EC1935 compliant materials, pass 8-stage quality inspection process