Set yourself up for success when you make this modern vacuum insulation water bottle thermos your next giveaway! The double-wall bottles keep your beverage cold for 24 hours or hot for 12 hours. It's made of food-grade stainless-steel, measures 11" x 3.5" diameter, comes in 4 moderen colors, and holds up to 40 oz. or 1200ML of liquid. This 100% BPA-free, non-toxic item ensures a clean drink without metal flavors and is made with high-quality, durable material, making it leak-proof, and long-lasting. Add your colorful or engraved logo and give this to active customers and employees. Bring more awareness to your business! Material specification: Stainless-steel 304SS, 201SS.