Ohk, well I decided that if they askedwhat the package was, i would claim not to know and would want to open it at my own leisure. If they insisted on opening it there, i would tell them that maybe it was a gift for someone. If they opened it already, made you open it, i would claim that i didnt know what it was (only use that if you didnt say it might be a gift xD) and if they dont believe you, tell them it was a joke your friends pulled on you/a dare you made with them. If they throw it out, just wait until they are distracted/not around and sneak them to a hiding spot (maybe bring a bag, or if you are in school, hide them in your backpack when you get home.) But like i said, it depends on what your parents are like. I think this was your question but sorry if i misunderstood xD