Champion White Backstroke Pennants - Heavy duty backstroke pennants are constructed of 12 oz. vinyl coated polyester. Pennants are triangular with a size of 12" x 18" each. Individual flags are strung onto 3/16" vinyl coated stainless steel cable with a brass swivel hook on one end and a ratchet take-up reel on the other end. When ordering specify the number of pennants required, cable length needed between pennant stanchions, or pennant anchoring points and hardware package for each pennant line. Assembly is required.