A condom is the best way to having fun with intimacy without any fear of mind for both partners.
Condoms are made of very thin latex (rubber), polyurethane or polyisoprene and only birth control method that protect you from pregnancy by stopping sperm from meeting an egg, most sexually transmitted diseases (STDs) including HIV & STIs etc.
But, in order to work, condoms must be used correctly and must be used every time you have sex.