100% Leak-Proof Water New Eco-Friendly 40oz Tumbler Double Wall Tumbler with Handle and Straw for Travelers

100% Leak-Proof Water New Eco-Friendly 40oz Tumbler Double Wall Tumbler with Handle and Straw for Travelers. 24H Insulation Performance: Keeps drinks cold for 24 hours and hot for 8 hours effectively. Customizable Design: Accepts customized colors, logos (Laser, Emboss, Silk, UV), and packaging. Premium Material Safety: Made of BPA-Free, Phthalate-Free 304 stainless steel and 100% Virgin PP. Lifetime Warranty: Backed by a lifetime warranty for durable, sweat-free powder coat finish. Certified Quality: Products pass CE and LFGB safety tests for global market compliance. Experienced Manufacturer: Over 20 years of experience in stainless steel drinkware manufacturing. Versatile Usage Scenarios: Suitable for home, school, office, travel, mountaineering, and car use. Free Sample Service: Free samples provided (excluding shipping) with custom color and logo options.