If you want things to serve you for a long time and prints do not dim and do not deteriorate, then keep the following conditions:
A normal manual or mechanical wash is allowed at temperatures not exceeding 40 degrees. Mechanical action, rinsing, normal spin.
Allowed to iron at medium temperature. Up to 150 degrees Celsius. To iron through a lightly moistened cloth or an iron with a steam humidifier. Try not to iron over the picture.
It is forbidden to bleach and use other similar means.
It is forbidden to squeeze and dry in a washing machine, a drum or an electric dryer.