Century Powerline Wavemaster Blue Easy to Reach Cap. Twice as Many Height Adjustment Options - Was Four Now Eight. Polyethylene base fills with sand or water and is rounded for easy roll relocation. Approximately 270 lbs when filled. Available in Red, Black or Blue. Bag Size: 17-1/2 inches dia. X 26 inches tall. Base Diameter: 24 inches US shipping only. Sorry, No po boxes or APO's