FreshJarLids Suck the Air From Jars

Putting the lids back on jars is one thing, but using a FreshJarLids suction lid is quite another. By sucking out all the air via its handy pump, the FJL kit helps keep your various foods-in-a-jar fresh for further enjoyment. $24 for a pack of five. [ImprovementsCatalog via Book of Joe via Coolest Gadgets]