To say the most common packing box, it must be square, square disposable lunch box common size specifications are 400ml, 500ml, 650ml, 750ml, 1000ml. the square box size is expressed as length * width * height.

Capacity: 400ml product size: 12.1*9.5*4.7cm.

Capacity: 500ml product size: 17*11.8*3.8cm.

Capacity: 650ml product size: 17*11.8*4.5cm.

Capacity: 750ml product size: 17*11.8*4.8cm. *4.8cm.

Capacity: 1000mlProduct size: 17*11.8*6.5cm.