Raschel

Anything under 5M may seem expensive due to the cutting fee, but anything over 6M is a good deal.
It is used for the part that corresponds to the back of a backpack. Common double raschel .
When cut, a large amount of small fibers are scattered, making it difficult to handle.
Unfortunately, the edges of the textile have weaker cushioning than the center, so you can't use the edges.