https://squid-game.fandom.com/wiki/Guards

The Guards, otherwise known as Pink Soldiers or Masked Men, are the staff who manage, upkeep and enforce the rules of the Squid Games on behalf of the Front Man.

Guards all wear the same base clothing in order to preserve anonymity. This is the pink hooded jumpsuit, black gloves and black boots, and a permeated mask to hide their identity. These masks have one of three symbols that indicate their ranking.

Thanks HexarHunter For The Photo Made :D