Preparation before washing: mark the particularly dirty places with lines. Fold up your sleeves to prevent them from going out of shape, and turn the marked parts out.

Step two:

Detergent dosage: Use neutral detergent in warm water at 30℃ and put it into the folded sweater. Don't rub it, just press it (30-40 times). When there is a serious stain, soak it for 2-3 minutes and pat it with a sponge dipped in detergent.

Step 3:

Cleaning: Wash with warm water for 2-3 times and soak in water with softener for 3 minutes.

Step 4:

Dehydration: after shaping, put it in the middle of a big towel and put it in a dehydrator.

Step five:

Flat drying: aim at the measured size before washing, and dry it after finishing.