Caution Speed Bumps 5mph Advisory Sign - Wall MountA 600x450mm sign with 'Caution Speed Bump 5mph' advisory. Printed on to high quality rigid 3mm composite, this won't fade or degrade in outdoor conditions. 5mph speed limits are generally advised for use with 75mm speed bumps. Reflective white prismatic finish UV Stabilised sign face on a composite base with a protective overlay Designed to last. Can be attached to fences, walls etc. Easily drilled Will fit into standard 600x450 metal sign frames