This thermos cup is made of food-grade stainless steel and is available in 13 oz,20 oz and 27 oz sizes. It has a matte texture, is leak-proof and has double-effect insulation. It can be easily placed in a car cup holder, a bicycle rack or a hiking backpack. Polish the rim of the cup evenly. It will not cut your mouth, and the bottom of the cup also has a non-slip pad, making it convenient and practical. It can be customized according to your needs. Welcome to call or send an email.