First, the folds are folded on four main materials. Find the center line of the material, 6 cm from both sides of the center line, and collect a 4 cm pleat. Then collect a 4 cm pleat every 1 cm, and collect 4 pleats on a piece of material.

The folding method of pleats is to fold 4 cm in half, and then sew a line segment with a length of 1 cm with a sewing machine.

Finally, the finished product is pressed down and sewn and fixed.

Next, fold the face and the front of the lining together, and the two sides of the car are respectively. Then close the bottom of the bag.

The next step is to turn your face to the front, put the lining in your face, align the side seams with the side seams, and then wrap your mouth with wrapping tape.

The next step is to nail air holes on the package, four on each side. Take the side seam as the center, measure 5 cm on both sides and nail one each, then nail one every 5 cm.

Finally, put on the finished bag. The width of the finished tape is 1 cm.

The materials and methods of this bag are very simple, and there is no need to iron auxiliary cotton or pull a cart. This is a portable bag. You can carry it, you can carry it, you can carry it on one shoulder.