Hippie Chemist t-shirt for Essential Oils Lover Aromatherapy 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 You've got an oil for that? Love blending your own potions? Fun and whimsical tee for anyone who loves oils and aromatherapy. Lightweight, Classic fit, Double-needle sleeve and bottom hem