Come and see our amazing products. Made of 201 stainless steel on the outside and 304 stainless steel on the inside, this 17oz American Fitness bottle has excellent insulation and is absolutely non-toxic, safe, rust and corrosion resistant. This thermos has a screw top and a small opening, but it's very portable and you can easily carry it in your backpack or hold it in your hand for everyday use, outdoor sports or travel. 3,000 pieces are available by sea. Pls confirm with us about the packing info, stock color and exact production time before placing your order.