Personalized T-Rx Toddler T-Shirt. A cute green T-Rex dinosaur wearing a lab coat and stethoscope handing out prescriptions. Otherwise known as a T-Rx. Adorable gift for any medical professional who loves dinosaurs. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.