Get up to 50% off stickers. Stick to your resolutions.

View Cart


  • Solid color t-shirts are 100% cotton; heather grey is 90% cotton, 10% polyester; charcoal heather is 52% cotton, 48% polyester
  • Ethically sourced
  • Slim fit, but if that’s not your thing, order a size up
  • 4.2 oz (145g), but if that’s too light, try our heavier Classic T-Shirt
Get 10% off when you sign up for super fun emails.
I Heard That Oxygen and Magnesium
Designed by TeeTimeGuys
This I heard that Oxygen and Magnesium were going out and I was like OMG shirt is for all lovers of science and chemistry. This OMG Periodic Table Pun is great for high school, college or university and is a great way to show off your science humor. Purchase this OMG shirt as a gift to friends and family that love science or as a funny gag gift to a teacher or professor. This OMG Periodic Table Tee is designed and . For a looser fit, please order a size up.
Available on +59 products

Unisex T-Shirt

I Heard That Oxygen and Magnesium by TeeTimeGuys