Product dimensions measured on a flatly laid out product.
Tip: measure an item of clothing at hand to compare.
This glow in the dark shirt will show it's true brightness when you turn off the lights. Surprise someone by turning the lights out and putting on this t-shirt.
Tags: you turn me on, science, power sign, physics, nerd, math, geology, geek, engineering, elements, computer science, chemistry, biology, astrophysics, astronomy