Plain corrugated box like this is highly demanded in packaging segment of almost all industries. Small tools, complex electronics to large machines can be packaged in right size of corrugated box. The plain variant of this box is made using corrugated sheet, which is made in a special design comprising two flat liner sheets on the outside and one rippled sheet in the middle. All three sheets are glued together to make corrugated sheet. The strong and durable box created can be printed with necessary shipping information.