The common flag material for hand flags is 100D polyester its a light weight and inexpensive material and perfect for hand flags you can read more about the material here flag Material.
Item No: stick flag 02 Type: Hand Flag Printing: Silk Screen Printing Flag & Banner Material: Polyester Flagpole Material: Plastic Trademark: OEM Packing: 1PCS/OPP Standard: exact size & weight against flag size & material. Production Capacity: 10000 Piece/Pieces per Day
