Liberia Flag Polyester 3 ft. x 5 ft. by Flags Unlimited. $0.49. Liberia Flag 3ft x 5ft Printed Polyester. A quality printed polyester 3'x 5' Liberia flag. These are finished with a strong canvas heading and 2 brass finish grommets. This flag is not as durable as the nylon version and may be made outside of the US. We stock this flag. Save 98% Off!