I Have An Oil For That T-Shirt; Essential Oil 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 Cute Essential Oil Lover T-Shirt Perfect shirt for all you essential oil junkies out there! Lightweight, Classic fit, Double-needle sleeve and bottom hem