
OEM Portable 350ml/500ml Double-Walled Stainless Steel Tumbler Vacuum Insulated Coffee Mugs Cup Water Bottle with Flip Lid Strip Travel Presents. Customizable Options: Custom logo, color, and package available via OEM/ODM services. Superior Insulation: Double-walled vacuum keeps drinks hot for 12 hours and cold for 24 hours. Premium Materials: Inner 304 stainless steel and outer 201 stainless steel for durability. Leak-Proof Design: Flip lid with strip ensures secure closure and prevents spills during travel. Global Certifications: Meets FDA, LFGB, CE, EEC, and CIQ standards for safety and quality. Professional QC: Strict inspection with machines and manual checks before shipment. Competitive Pricing: High-quality thermos flasks at affordable prices with exceptional value. Efficient Production: 11 production lines ensure timely delivery and excellent customer support.