Storage boxes set 10 parts Funktion. Contains square boxes with lids: 2 pcs. 300 ml 2 pcs. 450 ml 1 piece 1.1 litre Airtight storage boxes with 4 clips and rubber rim. Can be used in microwaves. Always open the lid when using in a microwave. Can withstand frost. Dishwasher safe. Easy to stack.