Children's metal lunch box with lock, made of food grade standard tinplate, thickness is 0.23mm...Custom box shape and printing process, with logo printing.
This hot-selling cheap small round metal box is made of tinplate made in China. The size and shape of the metal box can be changed. The thickness of the tinplate material is 0.23mm. The metal box adopts a four-color printing process on one side, and the brand micro-label is 3D engraved