Long Sleeve: I Wear This Shirt Periodically Periodic Table of Elements Funny Shirt I Wear this Shirt Periodically Periodic Table of Elements Funny Design Long Sleeve: I Wear this Shirt Periodically Periodic Table of Elements Funny Shirt comes on a high quality adult style garment.,Machine Washable,Material: 100% HD Preshrunk Cotton,Garment: Double needle bottom hem, ribbed cuffed sleeves and taped neck and shoulders.