320ml Portable Stainless Steel Vacuum Tumbler with Handle, Custom Logo Insulated Travel Coffee Mug

320ml Portable Stainless Steel Vacuum Tumbler with Handle, Custom Logo Insulated Travel Coffee Mug. Custom Logo & Design: Accepts customized logo, shape, size, and color based on Pantone Matching System. Vacuum Double Wall: Provides thermal insulation performance of 12-24 hours for hot or cold drinks. Premium Material: Made of 304/201 stainless steel, rustproof, odorless, and BPA-free. Leak Proof Design: Features a leak-proof structure with cover, suitable for travel and outdoor use. Multi-Scenario Use: Ideal for office, home, camping, party, and travel as a coffee or tea mug. Comprehensive Certification: Certified by LFGB, DGCCRF, BPA Free, Food Contact, ISO9000, ISO14001, and BSCI. OEM/ODM Service: Supports full customization including design, shape, size, and packaging. Sample Availability: Free existing samples available; custom samples take 10 days after approval.