When shipping internationally, carriers calculate the cost based on both the weight and size of the package.
They charge for whichever is higher between the scale weight and the space the package takes up on an airplane. If your package is large but not very heavy, you may be charged more based on its size.
This shipment of books is smaller and heavier. In this scenario, you will be charged based on the weight as read by our scales.
If the package is larger and lighter, you will be charged dimensional weight. This box of pillows will be charged on size, not scale weight.
= 28lbs