12×24 Open House 2 Design templatesCoroplast Stake Sign Open House Signs Real Estate 12x24 Coroplast Open House Stake Sign 12x24 Open House 2 12x24 Open House 2 Make your own personalized design using this template,online and for free. You can open the template in our online designer tool, change a product, color or customize template design. Open template 12 x 24 Yard Sign 12″H x 24″W yard sign printed on 4mm coroplast Features full color, single- or double-sided print Available with or without stakes