Celebration, Special Event, & Party Flags (stock design) printed flags include The Party Is Here flags, Congratulations flags, Graduation flags, Happy Birthday flags, Wedding flags, It's A Boy flags, It's A Girl flags, & more! If you do not see the art design youâ€™re looking for, custom designed flags are also available. Promotional banner flags by Celina are dye sublimation printed on polyester fabric and rated for both indoor & outdoor applications. Choose between two feather flag types: Blade style flags and Tear Drop style flags. Each flag requires anchoring hardware and Celina has over 10 types of flag bases, weights, wall mounts, & clamps to meet your application.