Wilton Dust-N-Store Dusting Pouch is an easy-to-fill, easy-to-use, easy-to-store tool for dusting cornstarch or confectioners' sugar on work surfaces. So easy to fill — twist off the purple lid. Fill pouch with cornstarch or confectioners' sugar. Twist lid on cup to close. So easy to use — twist off larger white ring from cup. Tap pouch lightly on your work surface or tools to dispense cornstarch or sugar. So easy to store, mess-free — replace pouch in cup and twist closed for easy storage. Before first use, remove pouch from cup and wash, rinse and dry thoroughly before filling. Both the cup and pouch are dishwasher safe. Since it seals tightly, once you fill it and twist the lid on, the cornstarch or sugar are contained in the food-safe fabric pouch. And when your dusting is done, replace the pouch in the cup and any excess dust is contained securely in the storage cup.