Business Flags (stock design) printed flags include Sale flags, For Rent flags, For Lease flags, ATM flags, Welcome Flags, Self-Storage flags, BOGO flags, Tax Service flags, Buy Here Pay Here flags, Grand Opening flags, Open flags, & more. Flags by Celina are dye sublimation printed on polyester fabric and rated for both indoor & outdoor applications. Choosing a rectangle flag allows for larger print space for your specific message. If you do not see the art design youâ€™re looking for, custom designed flags are also available. Flags require anchoring, and Celina offers over 10 different options for your new flag. From wall mounts and clamps to bases and ground spikes, we offer many different anchoring choices.