360ml Portable Kids Milk Bottle Stainless Steel Cup Insulated Mug Vacuum Thermo Flask Double Wall Water Bottle with Silicone Straw Lid 12oz. Double Wall Insulation: Keeps drinks warm for 12 hours and cold for 24 hours with vacuum technology. Food Grade Materials: Inner made of 304 Stainless Steel, outer of 201 Stainless Steel for safety. Leak Proof Design: Spill-resistant silicone straw lid prevents messes in strollers or booster seats. Customizable Options: Supports custom colors, logos, and packaging via OEM/ODM services. International Certifications: Meets FDA, LFGB, CE, EEC, and CIQ standards for global compliance. Competitive Pricing: High-quality thermos flasks offered at affordable prices with exceptional value. Efficient Production: 11 production lines ensure timely delivery and excellent customer support. Eco-Friendly Solutions: Focus on sustainability with recyclable materials and eco-friendly production.