Who said dinosaurs were extinct Become the awesome T-Rex with this amazing mask, Tyrannosaurus rex, is the only known species of the fossil genus Tyrannosaurus of tyrannosaurid theropod dinosaur, which lived in the late Cretaceous period, approximately 68 to 66 million years ago, in the Maastrichtian, in what is now North America. This Halloween, even the dinosaurs want to return to inhabit the earth as long as they eat some candy and attend parties. Come back from the beyond and become this Dinosaur and become the sensation wherever you go. Ideal mask for Halloween, costume parties and day of the dead. Made and painted by hand in Mexico with a completely handmade process of 100% Biodegradable latex. Color: Multicolor. Gender: unisex. Age Group: adult.