Discover the advantages of Jiﬀy® Brand; the first name in protective mailers. Reduce Postage Costs... Lightweight Jiffy® Mailer Products are less expensive to mail than heavier corrugated cartons, especially if void fill materials are used. Reduce Labor Costs... Jiffy® Mailer Products require fewer packaging steps and eliminate the need for dunnage and carton setup. Reduce Inventory Requirements... Jiffy® Mailer Products store flat and do not need extra void fill and cushioning, minimizing material costs and valuable warehouse space. Increase Customer Satisfaction... Jiffy® Mailer Products provide superior protection. Their premium appearance enhances corporate image.