Make it easy for potential buyers to locate your house for sale with this 12 ft. This red and yellow Open House feather flag is our most popular design. Everyone loves the simple layout and straightforward “Open House” message. Open house banners are only the tool required for real estate professionals attempting to sell a property in a competitive market. Open House Half Sleeves feather flag is great to use on all properties that are for sale or lease and are currently having an open house. Small yard signs regularly are not noticed by potential buyers, however, these boldly colored blade flags practically ensure everybody will know a home or apartment is open to the public.