When Life Hands You Lemons Make Essential Oil 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 Whimsical and uplifting t-shirt for any essential oils lover. Perfect gift for anyone obsessed with essential oils. Lightweight, Classic fit, Double-needle sleeve and bottom hem