Marvelon is an oral contraceptive medication containing 21 tablets in a blister pack. Each tablet combines desogestrel and ethinylestradiol hormones for daily use over a 21-day period. The product features a distinctive white and blue packaging design with clear markings. This medication requires a valid prescription and should only be taken under medical supervision. The package contains one blister strip with 21 tablets. After completing the 21-day course, a 7-day break is recommended before starting a new pack. The product is manufactured by Organon, as indicated by their logo on the packaging.