Striped cardigan jacket

Use a neutral wool-specific detergent. Wash in cold water and gently by hand on the reverse side. Do not use bleach.
Spread out to dry in a cool place. Iron with a cloth at low temperature.
Do not machine wash, do not soak for a long time, and do not dry or expose to direct sunlight.
For dark or printed items, wash separately. Soak for no more than 20 minutes.