Custom Light Blue Corrugated Mailer Box with Silver Foil Stamping This custom light blue corrugated mailer box features a strong corrugated paper structure laminated with grey card on both sides, creating a durable and premium packaging solution for apparel, gifts, beauty products, and retail products. The double-sided grey card lamination improves the surface smoothness, structural stability, and overall packaging quality. Silver foil stamping adds a refined metallic effect