Japanese A5 Wagyu Holiday Gift Box
The last 5 digits under the net weight are utilized to indicate the packing date according to the Julian calendar.
The first three digits will be the month and day while the last two digits will be the year.
Please refer to this link for the number coding: https://www.naturalgrocers.com/sites/default/files/inline-images/200114_Julian%20Calendars.jpg
So for this particular item, 32721 indicates that this item was packed on 11/23/2021.