Clothing composition mainly includes three parts. Part of it is the composition of clothing fabric, part of it is the composition of filler, and part of it is the identification of some components of service clothing accessories (whether it is made of textile fiber or not, according to the specific composition of the country where it is sold).
Yours should be the logo of clothing fabric, which is not very standardized. 55% nylon (polyamide fiber) [polyamide], 45% cotton [cotton].
Feather is "feather" and velvet is "velvet". European and American countries have special legal standards to identify information such as filling content.