Core Selling PointsAuto-Lock Foldable Mailer Box — Easy Assembly, Glue-FreeAn integrated folding mailer box with an auto-lock bottom design. No glue is required for forming. Shipped flat to greatly save warehouse space and cut logistics costs.Premium Hot Stamping & Full-Color Printing — High-End Brand DisplaySupports CMYK offset printing, gold and silver hot foil stamping, matte or gloss lamination, and UV coating. Elegant custom patterns and brand logos deliver an upscale