This Transformers Mask of Optimus Prime is perfect for anyone who loves the classic character. With a voice changer that really works, this mask is perfect for Halloween or any costume party. The mask is made of cotton and has an adjustable strap, so it will fit most adults. The blue color and elephant character pattern give it a unique look that will stand out from the rest. This mask is not only great for costumes, but it can be worn casually as well. It's perfect for travel and can be worn in any season. Even though it's not signed, it's an authentic Transformers brand product. Whether you're a fan of the show or just want a cool mask, this Optimus Prime mask is an excellent choice.