These shirts wouldn't happen to come any bigger than a 3x, would they?

Thank you for reaching out with your question! Unfortunately, the Skeleton Rib Cage Unisex Tee is only offered in sizes Small-3XL. Wishing you all the best!

How do I order a size?

Hi there! This one here is a Large and that is the only Adult Unisex size we have available right now. We do have Ladies and youth as well though: Ladies - https://www.amazon.com/dp/B00NUDGMYW Youth - https://www.amazon.com/dp/B00NUDHCFU Thank you! Ann Arbor T-shirt Co.

Is this T-shirt super thick or on the lighter Side?

I leans a little more to the lighter side.

Does this shirt glow in the dark?

Hi, thank you for reaching out with your question! This product does glow in the dark! In fact, this is printed with a Glow Ink so it will withstand normal washing and last the life of the product. Please reach out if any further questions arise. Wishing you all the best!