Cola Shape Eco-Friendly Insulated Stainless Steel Vacuum Sealed Tumbler

Cola Shape Eco-Friendly Insulated Stainless Steel Vacuum Sealed Tumbler. Customized Logo: Acceptable custom logo printing on products for branding. Eco-Friendly Material: Made of recycled and eco-friendly stainless steel materials. Long Thermal Insulation: Maintains temperature for 12-24 hours with vacuum technology. Fast Model Development: Complete a new model design within 3-5 days. Free Preproduction Sample: Free samples provided for approval before mass production. Experienced Manufacturer: Over 20 years of experience in producing promotional gifts. Large Design Team: Over 50 designers developing new designs nearly every month. Quality Control: Every production procedure is inspected and controlled before packing.