It is a thick cotton paper made of recycled paper. They are often referred to as particle boards and are called non-corrugated and cardboard-like cardboard. It is used in scrapbooking to create pages that combine with ribbons or binder rings, so you can decorate the whole look of a page as well. Since they are so cheap, they are used to manufacture indoor furniture at a low cost. These chip board paper are rigid, durable, 
and high-density, making it a complete material.