fashion winter accessories reusable warmer hands natural rubber pvc water bottle bag with cover, Silver

high-quality material: water bag is made of high-quality pvc material, odorless, & non-toxic. safe and easy to use: first open the cap, then fill two-thirds of 80 degrees of water into the rubber water bottle. finally, tighten the cap and turn the warm water bag upside down to check for leaks. unique design: it's only cover is comfortable and high-quality material, it can keep warm for a longer time..syi