The Newfoundland sign isn't just a funny way to show your neighbors who is on guard duty; it is yard art. The weather resistant styrene lets you post this Newfie sign out of doors. Remind the whole neighborhood with this warning sign that you love a big breed. The Newfoundland guard sign is 11 x 11 inches, so all who pass are sure to see it. They can't help but love your sense of humor, and your choice of pooch.