14.5×19 Poly Mailers 14.5×19 Inch Size: Popular for shipping important documents, softcover books, magazines, or single pieces of clothing like t-shirts or leggings. Sleek White Design: Clean and professional appearance, perfect for business or personal use. Tear & Water Resistant: Durable material protects your goods from damage and moisture. Self-Sealing Adhesive Strip: Secure closure with a strong adhesive strip, ensuring packages are tamper-proof. Label-Secure Surface: Smooth surface that holds shipping labels securely, preventing them from peeling off during transit.