Storage bags feature a slider closure with a Smart Zip seal that lets you hear the bags close so you can feel confident your food is protected. Expandable bottom creates a flat base for easy filling even with liquids. Filled bags stand side by side in most refrigerators, freezers & pantries. Microwavable design makes it easy defrost & reheat foods. Gallon-size storage bags are perfect for bulky items, foods, supplies & more.