Children’s HALLOWEEN Glow-in-the-Dark Skull t-shirt. ‘ Kids soft-styled t-shirt with Glow-in-the-Dark vinyl print. Impossible to photograph so you will have to take our word for it when we say it is a really nice bright glow in the dark image. 100% cotton. Sizes, age 3-4 years, 5-6 years, 7-8 years and 9-11 years.