Excellent solution for organizing and storing of food storage bags. These organizers are made from 100% natural bamboo. This bundle combines the 4 set package that contains individual organizers to store food storage bags of sizes Gallon, Quart, Sandwich and the expansion 2-set package with individual organizers to store bags of sizes Gallon and Quart. It can be used right out of the package without needing any assembly. They come with pre-drilled wall mounting holes on the back. They can be arranged or wall mounted vertically or horizontally. Our organizers are uniquely designed to not let the storage bags fall off when hung on the wall vertically. They also come with stickers to identify freezer or storage bags for your convenience. We took guess work out of the picture for you!