Their uniforms are the same as the standard ones, but they wear green shades and their club is visible. Other officers have clubs, just not showing.
This specific branch of the police appears to have the same equipment as ordinary police. A loudspeaker and "Do Not Cross" tape are seen along with visible clubs on their waist. The vehicle appears to look advanced and heavily customized for their work.
Role in episode
The Sanitation Police officers arrive at SpongeBob's house to condemn it, as it is a threat to public health due to being bombarded with garbage.
The officer duo have the habit of talking through the loudspeaker in front of Squidward, making a running gag in the episode.