Turkish Blue Evil Eye (Nazar) 3" Crystal Owl Wall Hanging Amulet Home Decor Protection Blessing Housewarming Birthday Gift US Seller Blue Evil Eye 3" Crystal Owl Wall Hanging Charm. Blue Evil Eye - Mavi Nazar. Owl size: 3"(H) X 2.25"(L) Total Length: 9.5" (approx.) Owl symbolizes wisdom, intelligence and protection (gatekeeper)! Display an evil eye at your home or office, it can protect and bring luck to you. Great for Birthday, Blessing and Congratulatory Gift!!