Keep your food fresh with Ziploc Brand Slider Storage Bags. Each bag features a slider closure and an expandable bottom that opens into a flat base, helping the bag stay upright so it's easy to fill. Plus, these bags feature our Smart Ziploc seal–it let's you hear the bag close so you can feel confident your food is protected. Ziploc is a participating partner in Box Tops for Education, which allows members to earn money for their schools for the things they need.