We usually clean airtight containers but not the seal and groove of the lid. Unfortunately, there is no effective cleaner but some people try to use a toothbrush to clean it. Moreover, there is not a useful tool to remove the seal from air tight container lids. Dirt Bye easily removes the seal from airtight container lid and completely clean dirt, stains and any other particles in the groove and on other surfaces. We also use antibacterial material in the interest of your children's health. 6 different tools can help you take off the seal and clean dirt and stains in groove of lid and on surfaces.