Keep your food fresh with Ziploc® brand Slider 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 Zip® seal--it lets you hear the bag close so you can feel confident your food is protected. Slider Closure Makes These Bags Easy to Close, Easy to Open Flat Base Helps Prevent Items from Getting Squished With an Expandable Base, Bags Stand for Easy Filling Features Ziploc's Smart Zip Seal with Protection You Can Hear!