1, "four-piece set" usually refers to four sets of bedding in people's daily life. As the name implies, it is a four-piece bedding. The necessary elements are a pair of pillowcases, quilt covers, bed sheets (bed sheet type), bed caps (bed cap type) or bed skirts (bed skirt type).

2, the most primitive bedding for grass, hides, cotton, wool and other direct contact with nature.

3. Data show that European bedding first appeared in15th century. At that time, the bedding was handmade, and the color was mainly white. People regard it as a work of art and only a few rich people use it.

4./kloc-In the 0/8th century, Russian bedding appeared, which was passed down from generation to generation as a child's dowry, because the bedding at that time was handmade, and the skills of lace, embroidery and painting were very time-consuming, and each set of bedding was unique.