Alert visitors that there is a dog on the property with this helpful Hillman Rectangular "Beware of Dog" Sign. Made of durable, weather-resistant plastic, this beware of dog sign will keep visitors and your dog safe. Fluorescent ink helps these plastic signs stand out and convey your message clearly: things are going to get ruff if strangers start barking up the wrong tree. Your neighbors and others will thank you for these dog warning signs.