I own a department store. I want to buy some cheap but strong plastic wrap seal. I have had many cases of customers adding stuff to the bag in the store after paying bills. So I want to seal the bag a

Pack it in dry ice. Be sure both the dry ice and the fudge are well wrapped separatly.and insulation material around both. How much dry ice you ask? If you wrap a small chunk of dry ice with several wraps of newspaper it should last quit some time. It sounds like a trial and error problem. Where to buy dry ice? It's hard to find but stores that use it might sell some.

Try the Carrier Bag Shop, not only do they sell in bulk but I think you can customize your order as well. Good luck.
http://www.carrierbagshop.co.uk/plasticbags.htm

If you are not going to use the printer for a number of months, you will need to clear the printhead of ink. Remove the ink cartridges and stretch electrician's plastic electrical tape to seal the ink outlet. Put the ink cartridges in a zip lock plastic bag for storage
Remove the ink cartridge carrier clean with warm water and put in a zip lock plastic bag for storage.
Remove the printhead and soak the printhead, printhead down in warm distilled water overnight. After the printhead has soaked, replace the water with another warm distilled water bath and soak for a couple of hours. This should clear the ink from the printheads. Let the printhead dry and one it is dry, store it in a zip lock plastic bag.
Clean your printer with a damp cloth and wrap it in a plastic bag along with your installation disk and installation instructions.
Your printer and components are now ready to be stored.
Let me know if you have any more questions.

The cotton bag wraps around the hepa filter - the blue plastic part will not be visible once the bag is in place. The silver ring sits inside the cotton bag to hold the sides of the bag against the sides of the vacuum top-half. DON'T pull the plastic inner seal and outer seal apart. They snap together and snap onto the lip of the vacuum top-half. It's a bit of a struggle snapping the seal back onto the lip.

Wrap the magnetic strip in a plastic bag (the kind of plastic bag you get at a grocery store) and then swipe the card and it will work just fine. I learned this working in gas stations when the customers card did not work it would work when the strip was wrapped in plastic

This type of vacuum does not use a bag. If you are worried about clogging the filter cartridge try using a paper filter for a shop-vac. They are relatively cheap and are available at most hardware and department stores. These are made to simply wrap around the big cartridge. A rubber band will hold it in place.