This Clever Takaje Pompetta Vacuum Pump means that you can Extend The Life Of Your Jar Or Container Goods With Ease, Prolonging Their Freshness & Storage Life.the 18cm Long Pump Is Simple To Use; Just Push & Pierce The Metal Lid Of The Jar With The Sealing Cap, Place The Pompetta Pump Over The Cap & In A Few Pulls The Air Will Be Expelled & A Sealed Vacuum Will Be Created In The Jar In No Time At All.the Takaje Pompetta Vacuum Pump Is Supplied With 2 Sealing Caps Which Can Be Used Again & Again. takaje Pompetta Vacuum Pump Measures 18cm Lsupplied With 2 Sealing Capssimple To Useremoves Air From Jars Keeping Produce Fresh For Longer