Worth it. The price of a slightly better four-piece set is around 400, and the quality of a cheaper four-piece set is not very good, so the four-piece 400 yuan is still worth it. "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, a quilt cover, a bed sheet, a bed cap or a bed skirt.