Retainer rings should match the butt diameter of your flagpole at the base:

This historical 5'x8' First National Stars & Bars flag is digitally printed on our 200 denier nylon fabric

This quality 12"x18" flag of Colombia features three sewn stripes

Shadow Blue

4x6 Alaska State Outdoor Polyester Flag baltimore-orioles Retainer rings should match theThis 4'x6' Alaska State outdoor flag is made with our heavy duty commercial quality 2 ply polyester fabric. It is finished with a strong polyester header, has a fully sewn hem on the fly end, and includes two brass grommets for easy attachment to your flagpole. This material makes a great choice for high wind locations. Made in the USA.