If Your Shipment Consists of Multiple Packages with: Different Package Sizes  and Freight Classes:  You have Multiple Pkg Types The Same Package Size and Freight Class for each:  You have 1 package Type     For example: You have 1 box measuring 24"x 36"x 48", class 70 and 2 crates each measuring 24"x24"x24, class 100. You would select 2 package types on the form and input the total weight and freight class of each package type.       For example: If you have 3 boxes of the same product, each measuring the same:12"x20"x36" all class 60, you can close this window and select Package Type 1 and input the total weight for all 3 and class 60 on the form.