This extra-large capacity vacuum stainless steel insulated cup is made of 304 inside and 201 stainless steel inside, the lid of the cup uses a small bottle mouth design to make it more convenient to drink water, and will not be boiled water burned to the mouth in the winter, whether it is in the winter outdoor activities or Christmas Day gift, it is a good choice, the printing of the company’s logo or the theme of the event will surely attract more people to pay attention to your brand! Measuring 21 oz, this custom stainless steel vacuum insulated mug-customizable logo. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.