It is made of PET. Easy to pull open by your hands, and will fold back automatically when loosing. Your artwork can be imprinted fully on flag. It’s a perfect medium ad for fans to support their favorite sports team or for sponsors to promote their brand throughout the season. Also it is lightweight, portable, quiet and safe attention grabber for outdoor, advertisement, poster, exhibition, trade show, political rallies or events. Please contact us for more sizes and designs. The price includes the shipping cost to ca, QTY over 5000pcs by ocean. Thanks for your inquiry.