Essential Oils T-Shirt There's An Oil For That 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 Essential Oils T-Shirt There's An Oil For That, essential oil shirt. Essential Oils Shirts Make Great Gifts. Lightweight, Classic fit, Double-needle sleeve and bottom hem