Come and see our amazing products. This 17OZ vacuum flask is made of SUS304 stainless steel liner, and the outer shell is made of SUS201 stainless steel. The unique tapered design and cool appearance make it unique. The lid is made of edible-grade PP environmental protection material, built-in thermal insulation silicone pad, strong thermal insulation, highly sealed and water-proof.We also support a variety of color customization, if you need it, please contact us. Pls confirm further with us if any query about packing info, inventory status and time schedule.