Free Donkey Sports focuses on the construction of high quality, regulation cornhole bags. We make our bags in accordance to ACA size and weight regulations. If you choose "CUSTOM", please contact us within two days of your purchase by sending a product customization request with your two color selections, or as a default 4 black and 4 red will be shipped. Once you purchase, you will receive an email from us with our color selections to which you can respond and choose your colors - or you can email your color selection to us by clicking "contact seller" in the "your orders" section of your Amazon account once you place your order.