Sistema 1543 Klip It Collection Rectangle Food Storage Container, 13 Ounce (Set of 3) Rectangular food storage container ideal for storing produce, leftovers, and more Lid with easy-locking clips and extended flexible seal helps keep contents fresh Modular stacking design helps save valuable space 100% virgin plastic; phthalate- and BPA-free Top-rack dishwasher-safe; fridge- and freezer-safe; microwave-safe without lid