20oz 30oz Thermal Tumbler Insulated Car Auto Travel Cup Vacuum Flask Beer Coffee Mug Water Bottle with Double-Drinking Lid

20oz 30oz Thermal Tumbler Insulated Car Auto Travel Cup Vacuum Flask Beer Coffee Mug Water Bottle with Double-Drinking Lid. Customization Options: Accept custom package, colors, logo/pattern, and finish. Superior Insulation: Keeps drinks warm for 12-18 hours and cold for 24-36 hours. Premium Material: Constructed with 304 stainless steel liner and outer layer. Certified Quality: Holds EN 12546-1:2000, LFGB, FDA, and BSCI audit certificates. Versatile Usage: Suitable for in-car, indoor, office, outdoor, and travel scenarios. Factory Experience: 16 years of OEM/ODM experience in stainless steel vacuum cups. Multiple Capacities: Available in 12oz, 18oz, 21oz, 24oz, 32oz, 40oz, 50oz, 64oz. Free Design Support: Skilled designers provide free logo/pattern creation services.