Now you have it listed twice on .com so you need to delete one. On the last one that you listed, the shipping isn't working for the U.S. and many of the other countries because you have specified International Parcel Air and many countries, including the U.S. do not have that service.
I don't know what your item weighs but you can use small packets USA if it is under 1 kg. There is no delivery confirmation but it does have up to $100 insurance. It is over 1 kg, you'll have to use expedited parcel USA. If you print that label through paypal, you will get a discount.
You can use small packet air to all countries other than Canada and the U.S. The weight limit on that service is 2 kg. It also has insurance and no delivery confirmation.