The Original Dry Bag Steak | Make Artisan Dry Age Steak at Home › Forums › UMAi Dry® Sealing › Sealing Questions › Actual shelf life of dry age bags › Actual shelf life of dry age bags
JimThe shelf life of UMAi Dry bags depends greatly on storage conditions. Presence of humidity, high temperature or direct sunlight exposure has a negative effect on sealing performance. If the bags are stored in a cool, dark, dry place in the zip-lock bag that they originally come in, the bags should last without any effect to their sealing performance for up to three years.
Regardless of the above, it is not necessary to have complete vacuum in the bag. Presence of small amount of air is not detrimental to the aging process. If you were able to seal the bag with about 75-80% contact with the meat and it does not continue to separate from the meat during the first two days, you have a good chance of achieving successful aging.