A triangle with two diagonal lines inside or a triangle with CL inside and a cross-through indicates that you should use non-chlorine bleach. The circle is also important.

These symbols all relate to bleach usage. An empty triangle means the item can be bleached, while a triangle with a cross through it indicates not to bleach the clothing.

The maintenance of Squid Game is looked after by various workers, sporting masks featuring triangle, square, and circle symbols. These workers play an essential role in ensuring the game runs ...