Vacuum insulation: The bottle body is insulated by double vacuum, which keeps your favorite drinks cold and hot for hours.
Matt Powder Coated 18/8 Stainless Steel: Bottles are made of 18/8 Stainless Steel of high quality specifications. Powder Coated Durable Matt Surface
High-quality copper-plated insulation: In the vacuum sealing area, the outer wall is coated with a thin layer of copper to increase insulation.
Bottle mouth with lifting ring, easy to carry.