Popcorn Periodic Table - Short Sleeve - T-Shirt Cotton Mens T-Shirt - Comfortable Modern Adult Fit Printed with CPSIA compliant and Oeko-Tex Certified Ink. This is an original inspired design t-shirt. It is created and professionally printed in the USA. Please note that print may appear smaller on larger size shirts. Great gift or for yourself! Perfect for Birthdays, Christmas, Hanukkah, Valentine's Day, Anniversary, Mother's Day, Father's Day, and everyday gift ideas.