A simpler, more convenient way to vacuum seal glass canning jars! Quit wrestling those accessory caps. No more prying the lid off. Just push the ball seal to one side to release the vacuum. The lid pops right off!

Works great with a This Sucks Big Time! electric vacuum pump! As an option, you can connect to the accessory port of your own counter-top bag sealer.

Set includes 10 regular-mouth canning jar lids and 10 ball seals

Optional items: vacuum hose assembly, This Sucks Big Time! electric vacuum pump