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

This 3'x5' New Jersey State outdoor flag features a digitally printed design on our commercial quality 200 denier nylon fabric

and orange striped background

this durable single reverse banner flag reads correct from the front and reverse from the backside

This quality 2'x3' flag of Gabon features three sewn stripes

12"x18" Colombia Outdoor Nylon Flag space force Retainer rings should match theThis quality 12"x18" flag of Colombia features three sewn stripes. Made from commercial quality 200 denier nylon fabric, this durable flag is finished with a strong polyester header on the hoist with two brass grommets for easy attachment to your flagpole and has a fully sewn hem on the fly end. This is an excellent size for nuatical display as this is the standard international courtesy size. Made in the USA.