Ummmmmm no offence hun but r u joking? A baloon? No that wont protection u
and I dont mean 2 sound horrible but christ sake get some self respect just sleeping unprotectivly with someone you dont know
your gonna get a rep for being a ho and u dont want that im sure your pretty and alot of boys will want you as a girlfriend get a bit of self respect and dont just sleep around
get in a relationship and wait for atleast a month and a half and if they try it before then and u say ur not ready if they like u there wait and not keep trying it ,wait and do it with someone you really like
please get some self respect dont be a ho and sleep around (no offence) and get the morning after pill and also a sexual health test