Now featuring our easy open tabs. Protect your food with Ziploc brand storage bags. Each bag blocks out air and locks in freshness, which means less wasted food and money. Plus, our Smart Zip Plus seal lets you feel, hear and see the bag close from edge-to-edge, so you can feel confident your food is protected.Microwave-safeWhen defrosting and reheating, open zipper 1 in to ventMade of durable, long-lasting plastic