Joseph Joseph Prep and Store Compact Food Preparation Bowls, White and Grey, Set of 4 Set of four compact food preparation bowls are perfect for holding and storing a variety of ingredients Easily twists open to reveal another smaller bowl inside; requires minimal storage space Tight, locking lid is great for storing unused contents in the refridgerator Colorful and unique bowls use "Russian-doll" principle to create four bowls in a single compact design Dishwasher safe