24/7 Bags - sliding zipper storage bags are made from thick and durable Non-BPA plastic. The closing is very tight and will keep everything inside safe from the outside. Featuring an expandable bottom, making it easy to fill in three steps: open it, stand it, then fill it, no need for help putting things in. Food storage is safe and easy with these bags, you can store more food than other bags too with our sizes being 25% bigger. You will find yourself using these bags more than ever before, its multipurpose use is great and convenient. Use them for saving folded shirts to keep them safe from the rain on trips. Use them for your chips when you can’t finish it, just pour them all in the bag and save them for another time to still keep that crunchy feeling from the day you opened it.