What we do Qingdao Dannuo Co.Ltd. locates in Qingdao, a coastal city with another name "the second harbor" in china . We have our own factory and our products range from wine cooler bag, insulated cooler bag, lunch cooler bag, promotional cooler bags. and more. Specially, we invented and developed super cooler bag with Nano-insulation material felt, the patent No.201120483363.7.The trade Mark: XiaoFo Cooler bag the one you are looking for Cooler bag are indeed of great use when it comes to storing food supplies. They keep your beverages and snack nice and cold, and it is perfect for storing your lunch for work or the always important road trip supplies. What we can do If you need to have large custom orders, we will guarantee your personal satisfaction. We are experts in aiding our customers to find their perfect custom and personalized cooler bags, that&＃039;s why we offer branding designs on all of our products.