From the very first computer to the current day, 100% combed cotton jersey History Of The Computer t-shirt shows computers throughout the ages; designed exclusively for the Science Museum. A great gift for anyone interested in computers & matching mug is also available. ---Full Product Description--- 100% Organic ring-spun combed cotton: 180 GSM GOTS-certified organic cotton FairWear Foundation certified PETA-approved vegan OEKO-TEX certified Printed in London Sizing: Available in unisex sizes, please refer to our size guide for fit details, measurements and guide.