Create a K-seal pouch

It looks like doy pack for me, have a look at it in Boxshot. If not, please specify the difference.

You can import external models into Boxshot Ultimate and use them next to the built-in ones.

so you can make new forms and import them in and place your design on the form.

Yes, you can load external models in 3DS, FBX, Collada and OBJ formats.