One: The wash mark is also called the wash mark, which is mostly used as a trademark on clothing.
Two: Material types include: pure cotton wash mark, non-woven wash mark, Nylon wash mark, polyester wash mark, acetate wash mark, blended wash mark, etc.
Three: Characteristics of wash marks: 1. High temperature resistance, 2. Wear and scratch resistance, 3. Rinse resistance
Four: Underwear is generally made of printed label materials. dotted ribbon