2 month supply. Typically identifies 4 or more fertile days (See side of pack) (In a study of 87 women in the UK, 4 or more fertile days were identified in 80% of cycles using actual cycle length (2012)). At least 2x the days vs other tests. No. 1 Ob-Gyn recommended brand (See side of pack) (Data on file. Research into recommendation of ovulation tests & fertility monitors with 204 US Ob-Gyns (Kantar Health 2011)). Over 99% accurate (See side of pack) (The simple urine tests are proven to be over 99% accurate at detecting the LH surge. The are 2x more accurate than calendar methods (Study of 101 women in the UK comparing a simple calendar method to likelihood of conducting a test on LH surge day (2011))). 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.