1. Material of single-layer corrugated cardboard box:
Single layer corrugated cardboard boxes are made of single-layer corrugated cardboard, and common materials include corrugated paper, cardboard, etc. This type of corrugated cardboard box is usually suitable for packaging lightweight, low value items, such as electronic product packaging, gift boxes, etc.

2. Material of double-layer corrugated cardboard box:
The double-layer corrugated cardboard box is made of two layers of corrugated cardboard, with a layer of cardboard often placed in the middle to increase the strength and load-bearing capacity of the box. This type of corrugated cardboard box is suitable for packaging products that require certain protective properties, such as furniture, household appliances, etc.

3. Three layer corrugated cardboard box material:
A three-layer corrugated cardboard box is made by bonding three-layer corrugated cardboard and two-layer cardboard together, which has high strength and stability. This type of corrugated cardboard box is usually suitable for packaging larger and heavier items, such as mechanical equipment, automotive parts, etc.

There are various materials for corrugated cardboard boxes, each with its specific application scenarios and advantages. Choosing the appropriate corrugated cardboard box material can better protect the product and reduce the risk of damage during transportation and storage. Whether it is a single-layer, double-layer, or three-layer corrugated cardboard box, it is very important to choose the appropriate corrugated cardboard box material according to the characteristics and requirements of different products.