Shamrock Home Personalized Mat. Our Personalized Home Shamrock Doormat will make your home festive and fun for St. Patrick’s Day or Any day! Personalize this doormat with any custom message you choose. Whether you wish to celebrate your Irish pride year-round or during the holiday, this doormat will add a sense of Irish cheer to your home.Choose Safe for outdoor or indoor door mat use. Doormat is 1/8″ fleece smooth with latex action backing and white bound edging.