
China Double Wall Vacuum Tumbler for Temperature Maintenance. Superior Heat & Cold Retention: Double wall vacuum insulation keeps hot and cold items at desired temperatures. 100% BPA Free Material: Made with medical grade SUS304 stainless steel ensuring safety for all ages. Leak Proof Design: Advanced lid technology ensures liquids are sealed securely inside. Customizable Colors: Available in multicolor options matching Pantone color codes upon request. Durable Powder Coating: Safe and durable finish protects appearance and resists stains and odors. Large 40oz Capacity: Generous 1180ML volume suitable for children and adults alike. Comprehensive Certifications: Holds ISO9001, LFGB, FDA, BSCI, and other international safety certifications. OEM/ODM Services: Full customization, minor customization, and design-based customization available.