These Ball Quart Jars with Lids and Bands are made for fresh food preservation and more. Use these glass jars for crafting, canning, food storage and other household storage. The Ball Jars, 12-count, come in a corrugated cardboard box for safe transport. Because of the generous mouth, the Ball Wide Mouth Jars are easy to fill. The glass is clear, so you can see what's stored inside.