We've partnered with MiiR to bring you an insulated howler that gives back. All MiiR products come with a trackable code that allows you to see the positive impact your purchase is making in the world around us. Purchasing one of these stainless bottles helps fund a water project; be it deep bore or hand-dug wells, biosand filters, UV sanitation or restoration to existing water sources. After purchase, register your Impact™ code and get updates on exactly how your purchase went to help others. It's that easy.