An yi hannayen rigar kumfa da polyethylene mai ƙima.Tsarin kumfa mai cike da iska yana kare jigilar kaya ta hanyar karkatar da matsawa daga yuwuwar tari mara hankali da ɗaukar tasiri daga mugun aiki.Za a iya amfani da jakunkuna na kumfa a matsayin abin da ake saka kumfa don cike giɓi a cikin akwati ko wajen akwatin don hana tabo ko murkushe sasanninta.Ana amfani da waɗannan buhunan kumfa don jigilar kaya, adana kayan kwamfuta, kayan ado, kayan kwalliya, kayan tarawa, kayan dafa abinci da sauran aikace-aikace da yawa.