Eliminate observer s elbow! This high-visibility, orange, 420-denier nylon flag is mounted to a 24 pole. Easily attaches to boat windshields and/or WaveRunners with a giant 3-1/4 suction cup. Recommended for safety while tubing, skiing, wakeboarding and kneeboarding. Required in AZ, CA, CO, ID, MO, NE, NM, OR, TX, UT and WA.