Brand New White Gamma Seal Lids - 5pk. Why throw away a perfectly good bucket when you now can Gamma Seal it? The Gamma Seal lid permanently transforms your 12" diameter bucket into a easy access storage container. Now a bucket can be used for hundreds of household storage applications! Simply snap the patented adapter onto your bucket and spin-on the removable lid. Specially engineered gaskets ensure that the lid and adapter are properly. The Gamma Seal lid fits most 3.5 to 7.0 gallon bucket (including 20 liter). * Fits 3.5 to 7.0 gallon buckets/pails * Easy to open/close * Durable * Gaskets *