[How to make] Making a light sub-bag / 30cmx28cmx10cm Handle 40cm

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When you go out, we made a light sub-bag to use when you have a lot of luggage. Since it is a sub bag, the handle is soft. It's easier than you think, so make it.
[Material]
Scrap cloth
Quilted cotton 73cmx33cm
Back cloth 73cmx33cm
Outer fabric 73 cm x 27 cm
Outer fabric (accent fabric) 73cmx8cm
Bag handle (quilted cotton) 6cmx42x2
Bag pattern cloth 8cmx42cmx2
Bag top accent fabric 8cmx33cmx2
Embroidery thread