Below you will find an explanation of the washing instructions which can be found on the De Ploeg sample.
Wool wash program
Quick hand wash only
Do not wash, do not soak
The numbers in the tubs indicate the highest permissible wash temperature; do not exceed it. Normal wash programs also include E-, economy and half wash programs.
Items with P or F in the circle usually cannot be de-stained with tetra or tri. The letters are mainly intended for the dry cleaner. They indicate the solvent to be used. The line under the circle means: light loading high float ratio, little mechanical movement, short cleaning, rinsing, and spinning times; especially do not add water.
For items containing synthetic fibers and/or made crease-resistant; load machine with half the maximum weight.
Hand wash lukewarm or warm
Wool wash; only according to wool wash program; load 1/3 or 1/4 of maximum weight.
Cold bleaching with bleach, concentrated chlorine agent in dilute solution possible
Bleaching not possible
Do not tumble dry