No need to paint and scrape, these bumper post sleeves make old bollard posts look like new. High-visibilty yellow HDPE construction with UV inhibitors resist fading, rusting or cracking. Eliminates annual maintenance while helping to protect vehicles and the post from impact damage. Unique vertical ribs provide extra impact protection while allowing for easy slide-on installation. Available to fit 6" NPT pipe size. Post sleeves may be easily trimmed for an exact fit. Measures 6-7/8" inside diameter by 7-7/8" outside diameter by 56" height. Red color.