I don't know how it works in the US, but in the UK we have various sizes and price bands - sizes are here
If you can fit within them then there's no problem - just stick the right postage on it and you're sorted?
OSHPark sends internationally in all-plastic padded bags (probably the same thing they send across the US in). I've never had any problems with the stuff when it's arrived.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I don't know how it works in the US, but in the UK we have various sizes and price bands - sizes are here
If you can fit within them then there's no problem - just stick the right postage on it and you're sorted?
OSHPark sends internationally in all-plastic padded bags (probably the same thing they send across the US in). I've never had any problems with the stuff when it's arrived.