Why didn't someone think of this before? If your family is like most, you waste hundreds of dollars every year throwing out stale food. But no more! This portable device reseals all plastic bags in seconds to keep food fresher, longer. And it's easy, delivers a tight, secure and safe seal and requires no AC power. Just insert the top of the bag, ReSeal and save! Wall mountable and portable. Seals over 300 bags with just one set of six 'AA' batteries not included.