I have added a new shipping option for smaller items that ship within the United States to help my customers save a little money. The small packs option is great for smaller orders, razors, shaving soap refills, DE blades and the like. Once the net weight of your items exceeds 10oz, you are better off selecting Domestic Shipping although the site will not prevent you from choosing small packs. Hopefully this is not too confusing.
Edit: It was too confusing! I have eliminated the small packs option but instead have lowered shipping costs for lighter packages. The bottom line is this will save customers money without being too cumbersome. Due to website limitations, this seemed like the best solution.