UBMOVE Bulk Pack of 50 White Corrugated Mailer and Literature Boxes (12-1/9" x 9-3/4" x 4")

UOFFICE White Corrugated Mailer 12-1/9" x 9-3/4" x 4" Pack of 50 Heavy Duty 3 Layers Construction- These premium White Corrugated Mailers deliver exceptional protection for valuable items requiring reliable shipping containers while maintaining a professional appearance. The advanced 3-layer construction, combined with a 90-pound sturdy E-flute corrugated cardboard, creates a protective barrier that's 30% thicker than standard shipping boxes. This enhanced construction provides superior impact resistance and structural integrity to protect electronics, documents, books, and other valuable items during postal handling and delivery processes. The clean white finish projects a professional image while precision manufacturing ensures consistent quality and performance. The UOFFICE 12-1/9" x 9-3/4" x 4" Mailer Boxes accommodate a wide range of products commonly shipped by e-commerce businesses, professional services, and individual shippers. High-precision cutting technology creates neat incisions and accurate slots to ensure square, firm assembly without gaps or weak points. The 50-count pack Mailer Boxes provides an adequate supply for medium-volume shipping operations while maintaining cost-effectiveness for businesses requiring reliable protection standards. UOFFICE Corrugated Mailer Boxes eliminate the need for additional packaging materials in many applications, simplifying the shipping process while ensuring contents arrive safely.