Standard steel bollards require a lot of maintenance to keep them looking good and giving the kind of safety awareness they should. Cut out all that maintenance with these 57-3/4" high, 4" diameter poly bollard sleeves that are economical, maintenance free, weather-proof and durable. Sleeve walls are approx. 1/8" thick. Polyethylene material has ultra-violet and anti-static additives for color retention and static free use. Available in four bright colors at no extra charge. Custom colors available upon request.