Image Credits: R. Hatcher et al., "Contraceptive Technology," 17th ed., 1998.
A male condom is a flexible sheath made of a thin latex or plastic. Note that it covers the penis, but not the entire genital area. Condoms can help prevevent HIV, but condoms do not protect against the most common viral sexually transmitted disease -- Human Papilloma Virus (HPV) and Herpes. (Why do you think these STD are so common..?) [more about STDs]