250x180x75mm White Cardboard Mailer Box – Self-Locking Die-Cut 100pkDescription Streamline packing with this self locking die cut mailer box. It ships flat to save space and folds together in seconds without tape or tools. The clean white exterior is ideal for labels or custom branding, while the corrugated board protects items during pick, pack, and courier handling. Key features Self locking die cut design assembles fast, no glue Flat packed for efficient storage White, brand ready exterior Durable corrugated