THESE WIND SOCKS ARE MADE OF 100% NYLON. EACH OF THE SIX TAILS IS HEMMED ON ALL THREE SIDES TO REDUCE FRAYING AND GIVE THE WIND SOCK A LONGER LASTING LIFE. EACH IS APPROXIMATELY FIVE FEET LONG PLUS EIGHT TO TWELVE INCHES OF STRING AND HOOK. EASY TO HANG UP ANY PLACE INCLUDING PORCH , DECK AND TREE. $9 EACH