Kaye, if you send any package that it is not carried out by you, will go through customs, as CHina goods are restricted in Mexico if you want to cross them to Mexico it will cost you up to 500% their cost, I recommend you to take them with you and try to flight with as many people family, friends, relatives as possible in the same plane/flight, because you can bring to Mexico $300USD in goods per person, you you will have to count the people and sum the amount, but be careful if the things your guest bring with them are not included in the "franchise" (this is the name of the documents that says what you can and can not bring toMexico without paying or paying) split the package in small packages so the guest can have one in the time they go through customs. at the end she they know you will have your wedding here they may made an exception.