Ukulele Guru Hawaiian Acoustic Uke Mahalo and Aloha T-Shirt 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 Boldly Pronounce Your Mahalo and Love of the Ukulele Dream of a Tropical Beach, Surfing, and Good Times Strumming the Best Uke Ever Lightweight, Classic fit, Double-needle sleeve and bottom hem