POSitive can print labels for your inventory items. These labels can be printed in various sizes and include or exclude various bits of information. You may customize or design your own labels.
POSitive has a set of labels already defined.
Here are some examples of those labels.
Standard (Avery 5660) - There are 30 labels to a sheet:
Eltron 125x100 (1.25 x 1 inches) - Individual labels on a roll:
To create you own labels, see Inventory Labels Editor