Bakeware, Tableware, Drinkware and Cookware Design Zippo Titanium Blue Stainless Steel Water Bottle by Wenzhou Creative Design Co., Ltd. This product solves the problem with normal ones where it's not easy to conduct thorough cleaning and the seal ring is liable to the birth of bacteria. And through vacuum temperature preservation technology and with copper plated vacuum inner wall, it prevents thermal radiation and heat loss. The design of cup bottom gasket plays the role of noise elimination, anti-slip and stability. Bottle cap sag design to increase friction for easy unscrewing. At the same time, there are different capacity options to meet all drinking needs.