Description Turn pails into reusable containers. Heavy duty, high density polyethylene construction creates a leak-proof airtight seal. Resin meets FDA standards. Simply tap on the adapter ring (includes rubber gasket) and screw inner cover on. Fits 3.5 to 7 gallon plastic pails.PRODUCT DETAILS:Heavy-duty HDPE construction Leakproof airtight seal Fits 3.5 to 7 gallon plastic pails Meets FDA standards Bucket sold separately