After using an acrylic marker to draw on a canvas bag, will it fade when the bag is washed?

It won’t happen in a short time, but it will definitely fade over time and washed many times. This is inevitable for any paint.

Marker pen (English: Marker pen or marker), also known as marker pen. It is a drawing colored pen specially used for writing or painting. It contains ink itself and usually has a pen cap attached. It usually has a hard tip. The paint in markers is volatile and is used for quick, one-time drawings. Often used in design items, advertising slogans, posters or other art creations. Can draw thicker lines with little change. Box-tipped pens are a type of marker pen. Nowadays, marker pens are divided into water-based and oil-based inks. Water-based inks are similar to color pens and do not contain olefins. Oil-based inks contain olefins, so they have a pungent smell and are easier to evaporate. If the paint on the toy is peeled off, you can use markers to touch up the paint.

Propylene (CH2=CHCH3) is a colorless, slightly sweet gas at room temperature. Molecular weight 42.08, density 0.5139g/cm3 (20/4℃), freezing point -185.3℃, boiling point -47.4℃. It is slightly anesthetic and completely decomposes at 815℃ and 101.325kpa. Flammable, explosion limit is 2~11. Insoluble in water, soluble in organic solvents, it is a low-toxic substance. Propylene is the basic raw material for the three major synthetic materials and is mainly used to produce polypropylene, acrylonitrile, isopropyl alcohol, acetone and propylene oxide.