It could also be a triangle with CL inside and a cross ... A square with a filled black circle in the middle means 'tumble dry with no heat'. As with the washing symbol, a drying symbol with ...

Never lose another top to a washing machine or ironing disaster again once you learn the meaning of these little signs ...

Up to five key symbols are ... an empty triangle, a triangle with a cross through it, a triangle with two diagonal lines through it, or a triangle with CL inside and a cross over it.