Rubbermaid TakeAlongs Food Storage Containers, 4 Cup, Set of 6, Spearmint Green 1890474 Serving size makes them ideal lunch, snack, and meal prep containers; they're also great for pantry and craft storage Quik Clik Seal lids make an audible click to let you know they're securely closed Lids have ridges for easy stacking, so they take up less space in your cabinets Graduation marks on bases for convenient measuring Set includes six 4-cup containers and lids Microwave-safe base, BPA free, freezer safe, and top-rack dishwasher safe