There is a sign that says "washable" or "not washable" under each of the clothing labels. It is one of the simplest methods for determining whether or not a fabric can be cleaned.
The other signs which you can see on any kind of fabric are
1)Machine washable
2)Wash cold
3)Wash hot
4)Wash warm
5)Hand wash
6)Do not wash
7)Do not wring
8)gentle/wash cycle