Dad In Binary Code T-Shirt Funny Father's Day Gift Pregnancy 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 Get this funny "Dad in Binary" tee for your dad. If he is big on computer science, programming, coding then this is one of the biggest geek t-shirts available. Good for any computer science or IT professional who can read binary, hex or even ascii. If your father is proficient in coding languages such as HTML, PHP, C+, C++, XML, Java, JavaScript more. Great pregnancy announcement shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem