Come and Check Our Branding Solutions.The spiral brush can get into the narrow groove, the inner wall of the lid to remove dirt. For cleaning hard to reach places such as inside tea kettles, wine decanters, coffee filters, jugs, flasks, cups, tumblers, feeders, flower vases, kettle, straw, teapot. Bevel corner brush, easy to clean sponge out of reach. Easily remove the non - removable gasket from the container then clean it. No more toxic plastics. It is made of only food grade, BPA-free, recyclable materials, food grade material. Pls check inventory and detailed info before placing your orders.