Functional add-ons for bags include organizers, like tech and packing cubes, for better item separation; structural inserts such as plastic sheets or interfacings to maintain shape; and external attachments, like keychains, charms, or even customizable straps. These add-ons help organize, protect, and enhance the utility of a bag for different needs.

The bag-in-box system is used to package various items, like bags or other products. The bag-in-box system combines a flexible, airtight bag with a sturdy outer box for products, extending shelf life and saving space. A separate type of box is designed to hold items like handbags, often made from rigid materials for a premium feel.