when ordering only one kit please select flat rate envelope at checkout.
when ordering decals please select padded flat rate envelope at check out.
when ordering three or more items please select either medium flat rate box for three kits or large flat rate box for five kits at checkout.
this will give you the best shipping rate and hopefully remove the issues with shipping as it is calculated via USPS.
USPS rates have increased,visit there website for calculations and price increases.