My Boobs Can Beat Cancer What Can Your Boobs Do? 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 A Funny and Empowering T-Shirt for Breast Cancer Survivors and Patients Show Your Strength and Sense of Humor with this Inspiring Breast Cancer Support and Survivor T-Shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem