This Bernese Mtn. Dog 2.8 Seconds Sign will make it crystal clear to anyone entering your home or property that you are under the watchful protection of at least one Bernese Mtn. Dog. Our fun and bold Bernese Mtn. Dog 2.8 Seconds Sign measures 11 x 11 inches and is made from a high impact styrene which makes it durable and weather resistant. Whether this warning sign is posted on your front gate or sitting in the front window, the world will know they've set foot onto Bernese Mtn. Dog territory. Make no bones about it, you've got the best security system around.