I TRIED IT AT HOME Funny Science Project Mens Womens T-Shirt 100% Cotton Printed in USA 5.4 oz, 100% cotton (solids) or blends (heathers) Pre-shrunk, tag-free label, true to size unisex for a comfortable fit, men or women Proudly printed in the USA All adult sizes available (S, M, L, XL, 2X, 3X, 4X) Backed by our Satisfaction Guarantee!