Since it looks like you are using Sage 100, I am going to move your post to that Support Group so that other users of this software will see it and can offer you their thoughts and insight.

Thanks,

Derek

That is not possible. You have to select one at a time.

I suggest you do this manually once, then use the Copy feature in Sales Order to save a step.

Perhaps set up a sales kit (if quantities are consistent), or script a solution (button script to add extra lines based on your business logic).

 I agree with Kevin. A Sales Kit as a Style with each size being the components

Thanks! Can you tell it's my first?

If only every sales order were the same. We do a lot of custom orders so every customer's order is different and has a lot of items on it. Thanks, though, there definitely could be a scenario where that helps a lot.

Ooh, button script sounds interesting! I'll look into that. We have the BOM module implemented, so Sales Kits is disabled, but I'll ask our support guy if we can have both. Thanks!

BoM replaces the Sales Kit functionality.  The same idea applies to BoM, with the same limitations.

A pseudo kit (miscellaneous code) and event script could work too (instead of a button script).  When a code is added, look up associated items (in a UDT?), and add them to the order.

Let me rephrase this. I agree with Kevin. Go to Inventory and create a Kit item for the Style and then go to BOM and create a Kit type Bill using the Style item from inventory with each size being the components