GPP-RD-06-060-S. Smooth Bollard Post Sleeve, 6" HDPE Dome Top, Red Bollard post sleeves resist fading, rusting and cracking to ensure long life. These post sleeves are made with high density polyethylene to provide effective use outdoors. 1/8" Bollard Cover is a great alternative to painting bollards. Easy to install and available in two standard colors - yellow and red. 1/8" bollard covers fit 4", 6" and 8" bollards and are available up to 60" tall to accommodate many existing steel bollards. 5 year warranty against fading. Please Note: Actual product measurement will be a variance between 59-3/8" and 60".