1. a small hole made by a sharp object. 2. (Automotive Engineering) a perforation and loss of pressure in a pneumatic tyre, made by sharp stones, glass, etc. 3. the act of puncturing or perforating. 4. (Automotive Engineering) the act of puncturing or perforating.
The size of the bag depends on the size of the machine you have. If you have a small machine, you get a smaller bag. My machine is a 'medium' sized one, and my bag lasts approximately 6 months or so. Bags are not cheap, but they are part of the great filtration on this machine, so I suck it up (pardon the pun).
How long will vacuum packed pork last in the freezer? Five years at least. How long can vacuum packed beef last in the freezer? The recommendation is no longer than 6 months, but vacuum packed stuff lasts ages, and even longer if it's frozen, so the actual time is probably more like 2 years.