2 month supply. Identify your 2 most fertile days. No. 1 Ob-Gyn recommended brand (See side of pack) (Data on file. Research into recommendation of Ovulation test & fertility monitors with 204 US Ob-Gyns. (Kantar Health)). Over 99% accurate (See side of pack) (Accurate: It's over 99% accurate at detecting the LH surge. Hormones are a more accurate predictor of ovulation than basal body temperature, which only changes after ovulation). Maximize your chances of conceiving naturally. Validated by ultrasound. Data on file. Clearblue Ovulation assay showed 97% agreement with ultrasound observed ovulation. Contents: 1 test holder, 20 test sticks, and 1 English/Spanish insert. Clearblue Helpline: Monday - Friday 8:30 a.m. - 5:00 p.m. Eastern time. Toll-free 1-800-321-3279. Please have the lot number from both the outer and inner packaging. Calls are recorded for training and quality control. www.clearblueeasy.com. Facebook: facebook.com/clearblue. Twitter: twitter.com/clearblue. Made in PRC. Packaged in USA.