EXS Endurance Delay condoms are made from natural latex and feature a reservoir tip as well as silicone for lubrication. These 53mm condoms have a straight wall and are externally lubricated (additional lubrication may be required). Each condom contains 1% lidocaine for an anesthetic lubricating action, which should be massaged into the head of the penis. EXS Endurance Delay condoms extend the duration of sexual intercourse!