Size 42 Seattle Seahawks game used football jersey Each Seahawks Auction item is authenticated by a member of the Seattle Seahawks organization, then archived and stickered with a one of a kind hologram. In order to ensure authenticity of each item, holograms are designed to show traces of tampering if removed. Do not remove the hologram sticker from your memorabilia. Comes with Certificate of Authenticity with corresponding number. ALL SEWN ON DETAIL , A MUST FOR THE SUPER SEAHAWK FAN.