... ,heat resistant,100%recyclable 4,FOB Qingdao, Shanghai Double Wall Vacuum Glass Thermos Description: 1.all the thermos is made of ... resistant and do not have lead 2,BPA free 3,filter: tea filter inside with four springs to regulate the degree or ... mugs. We also supply other kinds of products,such as vacuum/thermos flasks,sport bottles,stainless steel pots and so on ...