Custom Logo Travel Tumbler Stainless Steel Thermo 380/510ml Vacuum Portable Flask Tumblers Cups Water Bottle Coffee Mug with Lid

Custom Logo Travel Tumbler Stainless Steel Thermo 380/510ml Vacuum Portable Flask Tumblers Cups Water Bottle Coffee Mug with Lid. Premium Material Safety: Inner 304 stainless steel and outer 201 stainless steel meet FDA, LFGB, and RoHS standards. Long-lasting Temperature Control: Keeps beverages hot for 6 hours and cold for 12 hours with double-wall vacuum insulation. Leak-Proof Design: Features a secure lid and double-walled construction to prevent spills during travel. Extensive Customization Options: Supports custom colors, logos, patterns, and packaging with multiple printing techniques. Multiple Printing Methods: Offers thermal transfer, laser engraving, screen printing, water film, and 3D/5D printing. Flexible Capacity Options: Available in 380ml and 510ml sizes to suit different user preferences. Professional Quality Control: Every product undergoes strict testing by a professional QC team before shipment. Eco-Friendly Production: Focus on sustainability with recyclable materials and eco-friendly manufacturing processes.