Keep Calm and Okay Not That Calm Funny T-Shirt for Nurse Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Keep Calm & OK Not That Calm! Tee for medical professional, doctor, surgeon, nursing student, RN, LPN, MA, or STNA! Have fun with this flatline themed shirt! A great graduation gift for a graduate! Lightweight, Classic fit, Double-needle sleeve and bottom hem