A container is a standardized container that can be used repeatedly and facilitates quick loading and unloading.

There are 20 feet, 40 feet, 45 feet, 50 feet, high containers, heavy containers, liquid containers, etc. The outer dimensions are 20x8x8 feet 6 inches, referred to as 20 feet containers;
40x8x8 feet 6 inches, referred to as 40-foot container;
And the 40x8x9 feet 6 inches, which is commonly used in recent years, is referred to as the 40-foot high cabinet.
20-foot container: The internal volume is 5.69x2.13x2.18 meters, the gross weight of the goods is generally 17.5 tons, and the volume is 24-26 cubic meters.
40-foot container: The internal volume is 11.8x2.13x2.18 meters, the gross weight of the goods is generally 22 tons, and the volume is 54 cubic meters.
40-foot high container: internal volume is 11.8x2.13x2.72 meters. The gross weight of the goods is generally 22 tons, and the volume is 68 cubic meters.
45-foot high container: The internal volume is: 13.58x2.34x2.71 meters, the gross weight of the goods is generally 29 tons, and the volume is 86 cubic meters.
20-foot open-top container: internal volume is 5.89x2.32x2.31 meters, gross weight is 20 tons, and volume is 31.5 cubic meters.
40-foot open-top container: internal volume is 12.01x2.33x2.15 meters, gross weight is 30.4 tons, and volume is 65 cubic meters.
20-foot flat-bottomed container: internal volume 5.85x2.23x2.15 meters, gross weight of distribution 23 tons, volume 28 cubic meters.