The American Heart Association recommends that people with high blood pressure regularly measure and track it to report back to their healthcare provider. Check, change and control your blood pressure with our Blood Pressure Wallet Card! Card measures 2.5" x 3.5" when folded and fits perfectly into any wallet. Unfolded it measures 12.5" x 7" and includes a logbook for daily blood pressure readings, patient instructions for self-monitoring and updated blood pressure category chart based upon the new guidelines announced in 2017.