http://www.cnsdisplays.com if you are find for a unique and effective way to show off your eyewear products to your client, and then look no further. Optical display cabinets are one of the most customizable solutions to a promotional problem such as this. If you often find yourself having trouble managing your inventory as seasons and fashion trends change, then an Optical display is the right fit for your trade.
Bags, in general, have a larger surface area than, say, a pen to display a logo. While tote tags are some of the more normally seen imprinted promotional bags, all types of bags can be customized with a logo. Some examples include duffle bags and other journey bags like back packs, garment bags, and cloth brief cases. On a rigidly business level, document bags are also imprinted with a logo often. When your employees go on business journey, they can take some of these big and medium-sized travel bags displaying your logo with them.
A good way to get ideas is to browse other Store stores in the area and see what they are doing. Or, be a groundbreaker - do a bit of traveling to other cities, and see what the stores displays in those cities are doing, that those in your neck of the woods might not be.