These are tinplate storage boxes, made of materials, with excellent durability. The tinplate box with lid can effectively protect the contents from being contaminated by . These practical window tinplate boxes can be used not only to hold USB flash disk, but also to hold small items such as keys. Features -Color: Silver, transparent -Material: Tinplate, PVC -Size: About 11.50X8.50X2.20cm/4.52X3.34X0.86inch -Multi-purpose storage box can be filled with small gifts, crafts, keys, candy, etc. -They are very durable and not deform easily even if using a long time. -With window design, convenient to check out the inner objects, practical for small items' organization. -Simple designed, lightweight and durable. With a lid, can keep your item inside . -Suitable for home, office, school and more to use in daily life, to meet storage needs. Package list: 4 boxes