A variety of materials are used in manufacturing flags and here we present you 5 suggestions to buy the best material for outdoor flags(http://www.custommadeflags.com/custom-flags.html). Though this might be a difficult decision for some, our suggestions will help you decide which material to choose when ordering flags online. The most common material available in the market include polyester, nylon and cotton. Based on your requirements and the need of the event, you can choose the fabric that best fits your needs.