Labels for FBA? Number is not right

I have been doing FBM a little but am now jumping to FBA after selling on eBay forever.

I have 5 different products I am sending in. 2 books each with a quantity of 1. and then 3 other items with multiple quantities. When I go to print the sku labels, it only shows me 3 of the 5 items, 2 books and one of the multi-quantity items. I have labeled them all as ready to ship and they all have unique skus. It lists them all but at the bottom when I get ready to print, it has the below.

Print all SKU labels: 3 (8 units)