This periodic table joke design is made for anyone who loves science, sarcasm, and funny shirts with personality. Whether you're shopping for graphic tees for women, graphic tees men, graphic tees, men's shirts, mens t shirts, or a casual t shirt, this design fits right in. Wear it as a black shirt, black t shirt, science shirt, science t shirt, science teacher shirt, women in science shirt, or science like magic but real t shirt. It also works great as a meme shirt, funny shirt, funny t shirts, funny tshirts, funny shirts for men, funny shirts for women, dad shirt, men's novelty shirts, mens tshirt, mens shirts casual, men t shirts, work shirts for men, mens work shirts, or muscle shirts for men. Perfect for fans of periodic table humor, this i wear this shirt periodically t-shirt is a fun pick for anyone who loves a periodic table shirt, periodic table of elements shirt, periodic table t shirt, i wear this shirt periodically, i periodically wear this shirt, or can i lick it periodic table shirt. It also makes a fun gift idea, including fathers day gifts for husband. 100% ring-spun cotton Sport Grey is 90% ring-spun cotton, 10% polyester All Heather colors are 65% polyester, 35% cotton 4.5 oz/yd² (153 g/m²) Shoulder-to-shoulder taping Quarter-turned to avoid crease down the center