It holds 6 portions of up to 2 oz. each and is freezer, microwave and dishwasher safe. With convenient 1 oz. and 2 oz. measurement lines inside each portion, you can be sure that you are dishing out the perfect portion for your baby every time. Includes an airtight lid that helps keep contents fresh and allows you to stack multiple trays. You can prepare your baby’s meal ahead of time; pop out and warm up a single portion for lunch and return the rest to the freezer.