20-pack Carsonite Permanent "O" Course Marker Posts are the ultimate in marker posts. Available only through A&E from Carsonite International, these virtually indestructible 5-1/2 foot long x 4" wide "O" posts are made of white or brown (your choice) glass & marble reinforced plastic and require little maintenance. Parks everywhere use similar posts for long-lasting trail markers, informational signs, etc. Posts are available individually or in 20-post packages. With an optional reflective adhesive-backed "O" decal on each side of the post for additional cost, these are good for night-O too! For marshy, sandy or high-traffic areas we recommend you add optional Factory Installed Metal Anchor Barbs($5.99 each). Shipping is an additional 12.5% of the total POC materials order and will ship direct from Carsonite. Downpayment of 50% required when ordering.