40oz Stainless Steel Leak Proof Insulated Tumbler with Handle for Outdoor

40oz Stainless Steel Leak Proof Insulated Tumbler with Handle for Outdoor. Customizable Design: Supports full customization including color, logo, and design from samples or drawings. Premium Material: Made of medical grade 304 stainless steel and BPA-free PP plastic for safety and durability. Superior Insulation: Double wall vacuum insulation effectively retains heat and cold for extended periods. Leak Proof Lid: Advanced lid technology ensures liquids are sealed inside to prevent spills. Durable Finish: Powder coating provides a safe, durable, stain-resistant, and odor-resistant surface. Wide Certification: Holds ISO9001, BSCI, LFGB, FDA, SGS, and CE certifications for global market compliance. OEM/ODM Service: Professional manufacturer offering flexible customization and independent R&D capabilities. Easy Cleaning: Fine finish allows the entire product to be washed easily without retaining stains.