A single wavy layer used for most shipping.
The secret to a cardboard box's durability lies in its —the wavy inner layer sandwiched between two flat liners. This arch-based geometry acts like architectural columns, providing high compression strength and shock absorption during transit. Cardboard Box
What Is a Cardboard Box and Why It's Essential for Every Business A single wavy layer used for most shipping
Multiple layers of fluting used for heavy industrial equipment or fragile items. Cardboard Box