Leather: Leather storage bags are usually beautiful, protective and easy to clean. However, compared with cloth, leather is not very breathable and needs maintenance.
Plastic: plastic storage bag is light and waterproof, suitable for storing small items. However, plastics are not very environmentally friendly and easy to deform and age, so attention should be paid to maintenance and replacement.
Metal: the metal storage bag is strong and not easy to be damaged, but it is also heavy and not suitable for carrying. In addition, metals are prone to oxidation and corrosion and need maintenance.