Keeping produce at optimal freshness is always challenging, but Lake Forest, Ill.’ Pactiv Corp. has introduced a new product under its Hefty brand that makes freshness feasible. The OneZip Fresh Extend bag is an easy-to-use system in which a person simply places unwashed, uncut and dry produce into the bag and slides the bag closed. This 1.25-gallon bag will extend the shelf length of fruits and vegetables. The suggested retail prices are $2.59 for a 12-count box and $3.89 for a 20-count box. For more information, visit www.heftybrands.com.