1/8" Bollard Covers (Height Options: 36" 52" 60")1 8" Bollard Covers 1 8" Bollard Covers are a maintenance free and cost effective bollard sleeve option that compare favorably to the competitor's "standard" option. The 1 8" thick bumper post sleeves are designed to fit 4" and 6" pipes and are available in 7 standard colors. Standard heights are between 36" 60". Each Bollard Cover comes with a 5 year No Fade Guarantee, meaning you'll save on time and maintenance costs since you won't have to worry