RAWR! The T Rex doesn't want to be fed, it wants to hunt. Wear T Rex by Peagreen Designs to become the king of carnivorous dinosaurs and your friends. Tattlys are safe and non-toxic, lasting on average 2-4 days. Printed with vegetable-based ink, they're all made in the USA and fun for all ages! Tattly suggests placing on oil-free areas where skin does not stretch.