Day of the Week Portion Bags reduce food waste by controlling proper food portions. With a flip-lock top, Day of the Week Portion Bags can be sealed and stored safely. Day of the Week Bags also include space for writing important food rotation information. Portion bags are microwave safe, enabling quick food preparation. These Day of the Week Portion Bags measure 6.5 x 7 and hold up to 19 fl. oz. Great For: food preparation, portion control, and reducing food waste. Capacity: 19 fl. oz. Usage: Portion bags have a flip-lock top for safe storage and are equipped for saddle pack dispensing when used with a portion bag dispenser. Day of the Week Portion Bags are microwave safe.