Abstract: A U-shaped closure comprises a top hair net and top decorative hair attached to the top hair net. The top hair net comprises a front portion that is adapted to correspond to the forehead of a user when the top hair piece is attached to the user's existing hair, and a rear portion that corresponds to the user's existing hair when the top hair piece is attached to the user's existing hair. The top decorative hair is attached to the rear portion of the top hair net. The top hair net comprises a U-shaped recess. The U-shaped recess is formed by cutting the top hair net from the front portion and into the rear portion, so that the user's existing hair passes through the U-shaped recess.

Abstract: A decorative hair assembly includes a base net and base decorative hair attached to the base net. The base net includes a base mesh net that is adapted to be fixed to hair of a user by sewing on a plurality of points of the hair of the user. A predetermined length of hair-fixing strip is attached to the base mesh net by sewing in a spiral pattern. The amount of base decorative hair is limited to two-thirds of the entire hair.

Abstract: A top hair piece that is adapted to simulate the top portion of human hair includes a top hair net and top decorative hair attached to the top hair net. The top decorative hair includes a plurality of hair strands and a hair-fixing strip to which ends of the hair strands are attached. A predetermined length of the hair-fixing strip is attached to the top hair net by sewing the hair-fixing strip to the top hair net in a spiral shape.