There are several packages to choose from here at J&E and hopefully we can clarify for you here what they are and the purpose they have.

3X5 Auto Bag on a roll	This is the smallest bag that we carry. You will use this bag while packaging parts.
5X6 Auto Bag on a roll	This is a middle sized bag. You will use this bag while packaging parts.
6 X 8 Auto Bag on a roll	This is a middle sized bag. You will use this bag while packaging parts.
8X10 Auto bag on a roll.	This is the largest sized bag you will use to package parts.
3X5 Zip lock bag with a hang hole	This bag should not be used by packagers to package parts. It should be used however to package small parts with not a lot of packages. If you need to have a lot of packages packed the part should go through the package department and should be packed with the appropriate size auto bag on a roll.
4X6 Zip lock bag with a hang hole	This bag should not be used by packagers to package parts. It should be used however to package small parts with not a lot of packages. If you need to have a lot of packages packed the part should go through the package department and should be packed with the appropriate size auto bag on a roll.
8X10 Open top bag	This is the smallest package parts can be delivered to our customers in. It should not be used as a general packaging bag. You can however use it to package groups of other bags. View this link for more detail.
1/8 Keg Box	This box is called the 1/8 keg. It is the smallest box we have. You will notice on one of the bottom flaps 1/8 is printed on the box also. The dimensions of the box before it is folded up is 12 1/2 X 13
1/4 Keg Box	This box is called the 1/4 keg. This is the most popular box that we have. You should keep the weight of this box to no more than 45#. You will notice on one of the bottom flaps 1/4 is printed on the box also. The dimensions of the box before it is folded up is 17 3/4 X 16 1/2
BB5 Box	This box is called the BB5. This box has the same volume as the 1/4 keg box but is better suited for longer parts. You will notice on one of the bottom flaps BB5 is printed on the box also. The dimensions of the box before it is folded up is 28 3/4 X 14 5/8
Keg Box	This box is called the Keg box. It literally holds 4 times the volume as the 1/4 keg box. It is easy for this box to become to heavy very quick. So use caution and use strapping tape. This is not an every day use box. You will notice on one of the bottom flaps Keg Box is printed on the box also. The dimensions of the box before it is folded up is 22 3/4 X 26 3/4

We also use vendor boxes. You can use a vendors box at any time as long as their is no vendor information on the package. There are however a couple of exceptions to this rule. You can use a Nucor box or an Infasco box at any time just as you would use a J&E box.