Print up to four different promotional messages on your grocery sacks in one print run, with Duro’s 4- Up Sack. This unique printing process, exclusive to Duro, allows you to print anything from upcoming promotions and seasonal greetings to cost efficient co-op advertising. The 2-color 1/6 bbl. 52 to 76# basis weight sacks are automatically collated ensuring a variety of messages to each customer. They can be printed with up to 50% ink coverage and your message can be different on each bag. You can promote recycling tips, product inspired recipes, advertising a new product, provide coupons or even just a simple thank you to your customers.