Evra is a transdermal patch medication manufactured by Janssen that contains norelgestromin and ethinylestradiol hormones. Each patch releases 203 micrograms of norelgestromin and 34 micrograms of ethinylestradiol over 24 hours. The package contains 3 patches for transdermal administration. This is a prescription medication that must be used under medical supervision. The patches are designed for continuous 24-hour hormone delivery through the skin and should be applied according to the prescribed schedule and instructions. As with any medication, proper medical consultation is required before use to determine suitability and discuss potential side effects.