The material composition can be : 100 %cashmere 100% cotton 100% Merino wool 85%silk&15% cashmere 100% camel 18%cotton 26%wool +others 100% alpaca 70%acrylic 30% nylon 70% acrylic 30% wool our sweaters' pilling level reach grade 3-4 degrees, The color fastness is 4-5 grade under grey card. the pure degree of cashmere yarn reach international standard.