HearthSong Glow Wild Chomposaurus Children's T-Shirt Glow in The Dark Cotton Tee 100% Cotton Unisex glow-in-the-dark dinosaur long-sleeved tee shirt Bright colored backgrounds; Dinosaurs feature brilliant brushwork and beautiful screen printing Cross your arms in front to see (not hear) them "roar"; Teeth glow in the dark Comfy, pre-shrunk 100% cotton For best results, wash in cold water. Do not use bleach; dry on low heat