I Wear This Shirt Periodically Tee – Periodic Table Shirt-T-Shirt

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester; Imported; Machine wash cold with like colors, dry low heat; Are you a Science geek? We are too! and we made Tshirts to celebrate! Get your Tshirt today!; Sizes and Colors for all! Men, Women, Boys and Girls with available clothing sizes of S small, M medium, L large, XL XXL Extra Large and kids size Tee Shirts as well.; Lightweight, Classic fit, Double-needle sleeve and bottom hem