Dental dams are latex sheets. It is a thin, flexible, square piece that helps prevent the spread of STDs and other germs during oral sex. Place one dental dam between the mouth and vaginal or anus during oral sex so that it creats a barrier between them. Size of dental dam: 6inch*6inch(15.2*152.cm) or 5inch*5inch(12.7*12.7cm) Color of dental dam: red, pink, …