5 Great reference cards that would be for anyone in healthcare</br>Perfect graduation gift for Nurse, Paramedic, EMT, CNA</br>Each card is printed on durable plastic, waterproof, doublesided</br>3/4" split ring to attach keys or other accessories</br>Cards include: Lab Values, Weight Conversion, Medication Math, General Conversions, & Adult Vital Signs</br></br>Product Description</br></br>This key chain comes from a series of cards that puts hard to memorize information at your fingertips. <br> <br> Same as a standard badge (or credit card size; 2 1/8" by 3 3/8"). Each card is about half the thickness of a credit card so it won't weigh you down. <br> <br> Please note badge cards are NOT removable. Black clip cannot be opened. <br> <br> Cards include (in this order): Lab Values, General Healthcare Conversions, Adult Vital Signs, Medication Math & Drip Titration, Weight Conversion General Range</br><br/>http://www.amazon.com/gp/product/B00BOBZO9G