What do you mean by pre-washing?

Pre-washing

United Kingdom United States

Wash before sale; Pre-washing

Example:

1. These work clothes have been pre-washed.

These work pants have been washed in advance.

2. Pre-washed or unwashed, yarn count and mesh, packaging can be according to customer requirements.

Washed or not washed, the specifications and packaging of raw materials can be according to customer requirements.