This Storeganize 4-Pack Flour & Sugar Airtight Container Set drops from $39.95 to $21.95 at Amazon. This is the lowest price we found on any similar set. Similar ones are usually around $30. This one includes four airtight containers that can each hold a five-pound bag of flour or sugar. You'll also get chalkboard stickers, a chalk marker, and a four-piece measuring cup set. Shipping is free with Prime or when you spend $25. Otherwise it adds $5.99.