The Seattle Sounders Green color Arm Waves Flag for Major League Soccer is the newest official cheering instrument for sports fans. The exciting Freeocta Arm Wave has two universal interchange pieces that are removable and replaceable. Both the Arm Sleeve and the Wing piece are compatible with all of Arm Wave's universal sleeves and wings. The Sounders Green Color Arm Wave sleeve flag is perfect to perform all the cheering activities and chant practices done in the stadiums.