The surface has rich wool cloth, the bed that has heat preservation performance USES wool fabric, also can be used as the adornment such as bedspread, tapestry. Divided into pure blankets, mixed blankets, chemical fiber blankets three categories. Pure blankets are made of semi-fine wool, usually with 2~5 male carded yarns as warp and weft, or worsted yarns, cotton yarns and man-made fiber yarns as warp and woollen yarns as weft interweave, and can adopt twill breaking weft, satin weft and double twill weave, etc. The fabric has to be treated with downsizing and double fluffing. The weight of each blanket is about 2~3 kg. Blended blankets contain 30-50% viscose fiber and are sometimes mixed with recycled wool to reduce costs. Chemical fiber blanket to acrylic as the main raw material, bright color, feel light soft. Knitting methods of blankets: extension knitting and knitting. There are two types of woven blankets, the common wool loom and the knitting machine. Knitting is divided into warp knitting, tufted knitting, acupuncture, sewing knitting, etc. Both knitting and warp knitting woolen blankets adopt cutting wool to get the velvet surface, so the velvet is erect, the velvet surface is flat, and the feel is soft and elastic. It is a high-grade kind of woolen blanket. After processing in addition to the hair, according to the requirements of different varieties also through steaming velvet, comb, grasp, hot, cut or roll ball processing. The appearance and image of the blanket are various, such as the plush with plump and rolled down, the plush with erect and velvety down, the plush with long downy down, the ball shaped like lamb skin, and the irregular corrugated water pattern, etc. Blankets have a wide variety of patterns and colors, including geometric patterns, flowers, landscapes, animals, etc. Blankets are usually decorated and reinforced with overcuts, flanges and braid.