Custom 40oz Insulated Tumbler Stainless Steel Double Vacuum Tumbler

Custom 40oz Insulated Tumbler Stainless Steel Double Vacuum Tumbler. 24H Insulation Performance: Keeps drinks cold for 24 hours and hot for 8 hours with double wall vacuum technology. Customizable Design: Offers customized colors, logos (Laser, Emboss, Silk, UV), and packaging options. Premium Material Safety: Made from food grade 304 stainless steel, BPA-Free, and Phalate-Free. Lifetime Warranty: Backed by a lifetime warranty for durable, sweat-free powder coat finish. Versatile Usage Scenarios: Suitable for in-car, indoor, office, outdoor, travel, and mountaineering. Professional Manufacturer: Over 20 years experience in stainless steel drinkware manufacturing since 2008. Certified Quality: Products pass CE and LFGB tests ensuring safety and quality standards. Fast Sample Delivery: Available samples ready in 2-3 days; custom designs in 5-7 days.