Big Bang Theory T-shirt Coitus Great Gift Men Or Women 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 Big Bang Theory T-Shirt From Dr. Sheldon Cooper's Interest And Suggestions Of Coitus In The TV Show New Product - High quality - Machine washable Lightweight, Classic fit, Double-needle sleeve and bottom hem