This Stainless Steel Coke bottleinside and outside the selected materials are 304, very safe at the same time can also ensure that you fill the temperature of the liquid, hot and cold water can be applied and can keep warm for up to 12-24 hours,it is a very good gift for your elders, teachers, children, colleagues, so that they can think of you in the hot summer every time you take out the water cup, the color of the cup can be customized, the cup also comes with a portable rope design, very portable. Measuring 20oz, this custom 20oz-stainless steel coke bottle. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: BPA-free, leak-proof, travel-friendly.