Joy of Giving Winter House Flag Custom Dcor, Inc. is the #1 producer of AMERICAN MADE Decorative Flags and Mailbox Covers! Original Artwork is reproduced on 300 denier fabric for Finer Quality Reproduction 100% Polyester fabric stands up to the weather and is mildew and fade resistant. Fits standard decorative flag poles/stands Permanently dyed, two-sided dye sublimation for vibrant long lasting color