Erbium

"Hydrogen, Erbium, Oxygen... What does that spell? HErO! Be the King of the lab in this funny Table of Elements Hero T-shirt.

This T-shirt has been carefully screen printed by hand, and closely inspected. Please tell us your size- S, M, L, XL.

This t-shirt is high quality pre-shrunk cotton, so this shirt will last you for years.

It's also available in womens sizes S,M,L,XL on awesome fitted womens t-shirts"

Found at wopbobalubob's Etsy shop.