Technically The Glass Is Always Full T-Shirt 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 Are you looking for a science humor shirt? A sarcasm shirt for a special occasion? Then this Technically The Glass Is Always Full Shirt is a funny science shirt. Our Technically The Glass Is Always Full shirt, why should you buy this shirt? Because... technically, the glass is always full! Lightweight, Classic fit, Double-needle sleeve and bottom hem