The product is a Kyler Murray signed Arizona Cardinals full-size authentic on-field helmet, authenticated by Beckett Authentication Services (BAS). This item is a one-of-a-kind original, perfect for any football fan or collector looking to add a piece of memorabilia from their favorite player to their collection. With the autograph's authenticity guaranteed by BAS, buyers can be confident that they are purchasing a genuine and valuable item. The helmet is a unique and prized possession for any Cardinals fan.