So many requests for dinosaur parties! Make sure you have the Dinosaur Masks on hand and ready to go. This fun party favor will be loved by all the party goers. Simply hand out and watch the extinct animals come back to life. Each inexpensive piece measures 10.25 inches by 11.50 inches. Made of card stock material and includes an elastic band for easy wear. Check out all the other great birthday items to add to your stock.