Carefully selected materials, good hardness, good ductility, and lamination all through the FDA, SGS, ROHS, and other international standards testing. Adopt food-grade imported ink, followed up by professional technicians from the analysis of printing documents, and ink printing standards to the completion of printing. Exquisite workmanship, smooth and delicate texture, excellent hand feel, sturdy and durable. Meticulous rolled edge process at the mouth of the box for a better fit, rounded edges and corners do not hurt your hands, and raised rolled edges make it easier to open the box. Made from tinplate material, measuring 3.98*2.76*0.78 inches, this custom rectangular half-window tinplate box. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Portable, durable, practical for daily use.