The raw materials for blankets mainly include natural fibers and chemical fibers. Natural fibers include wool, mohair, rabbit hair, cashmere, camel hair, yak hair, etc. These fibers usually have good warmth retention and comfort, but they are more expensive and difficult to take care of. Chemical fibers include polyester, acrylig, neilon, spandex, a vinylon . Mae gan y ffibrau hyn gryfder a gwydnwch uwch, ond efallai na fyddant mor gyffyrddus â ffibrau naturiol .
