The outer packaging of FBA products on Amazon has a direct impact on size measurement and final delivery costs. Here are some key points and how to optimize package design to reduce FBA expenses:
First, the impact of product packaging on size measurement
1. Size increase: When using PP bags or other flexible materials as the outer packaging, Amazon staff will fully unfold and straighten the packaging for measurement. This may result in the actual measured size being larger than expected, thus increasing FBA expenses.
2. Protruding parts: If the outer package has any protruding parts, such as handles or decorations, these parts will also be taken into account when measuring, usually with the longest side.
3. Irregular shape: The irregular shape of the package may result in a larger size when measured, because the measurement is based on the largest point of the package.

2. Suggestions on product appearance design
1. Close to the shape of the product: When designing the outer packaging, it should be as close to the shape of the product as possible to avoid unnecessary space, which can reduce the size of the measurement.
2. Use six-sided corrugated boxes: Corrugated boxes provide stronger protection while maintaining a regular shape for easy measurement and stacking.
3. Avoid unnecessary protrusions: The design should consider removing or minimizing protrusions on the packaging, if possible, built-in handles or folding decorations can be a good choice.
4. Consider the elasticity of the packaging material: choose a more robust packaging material, which can maintain the shape during measurement and avoid increasing the size because the material is too soft.
5. Modular design: If possible, design packages that can be combined to adapt to different sizes of products, so that the same packaging design can be shared between different products, reducing costs.

Sellers can optimize packaging design and reduce FBA delivery costs while ensuring product safety. This not only helps to reduce costs, but also improves the overall aesthetics and professionalism of the packaging. Keep in mind that these are only guidelines and specific packaging designs need to be tailored to product characteristics and distribution requirements.
The irregular outer box of the product will also have an impact on the freight of the head logistics, and the rule of the outer box can better introduce the first and last logistics costs, especially for the seller who has the need of an overseas warehouse. Irregular outer packaging may increase additional transportation costs, and the uncertainty of distribution costs of such packaging may lead to profitable products becoming unprofitable or even loss-making.