Bag hardware refers to the various metal or plastic components used in the construction and decoration of bags. This includes items like zippers, buckles, snaps, and rings, which serve both functional and aesthetic purposes. These components help secure the bag's contents and enhance its overall design. Common materials for bag hardware include stainless steel, brass, and plastic, each offering different levels of durability and style. The choice of hardware can significantly impact the bag's appearance and usability, making it an essential aspect of bag design and manufacturing.