Rejoice! can help you make a strong statement with color and movement. Hand-painted silk, they are lightweight and easy to carry in procession and/or place in stands. Their relatively low cost makes it easy to afford multiples. 10' size is 65, 13' is 80, and 16.5' is 95. Find color choices here, or request a color scheme. If you need to be able to carry your banner outdoors in possibly inclement weather, they can be made in nylon fabric instead. See below for how to stand them up in the ground with no obvious stand.
Collapsible fiberglass poles can be ordered for you. The cost is usually about $12 per pole, plus shipping and a 10% ordering fee. They collapse to abut 4' in length. If you need it to collapse to a shorter length (about 15"), those are alos obtainable for slightly more.