When adding to "free ship packs", you can only add anything to your box - without incurring any additional shipping cost.
All "free ship packs" will ship out via standard 2-3 day service.
You have the option to upgrade your package to a faster service at a reduced rate.
Reduced Rate 2 Day Air is $24.99 (savings = $15.00)
Reduced Rate Next Day Air is $34.99 (savings = $15.00)