White Expansion Poly Mailers - 10" x 13" 3 Mil - 100 Mailers/Box

These white expansion poly mailers, measuring 10" x 13" with a 3 Mil thickness, are designed for securely shipping larger or bulkier items. The gusseted bottom allows for expansion, making it perfect for items such as books and binders, providing a reliable alternative to traditional packaging. Constructed with robust materials, these mailers resist tears and punctures, ensuring the contents remain safe during transit. The self-sealing lip employs a synthetic rubber adhesive, offering a strong, tamper-proof seal that protects the contents from environmental factors. The lightweight nature of these mailers helps significantly reduce shipping costs compared to heavier corrugated boxes, making them an economical choice for businesses of all sizes. Suitable for diverse shipping needs, these mailers provide a balance of protection and efficiency, ensuring your items reach their destination intact and at the lowest cost. Benefit from these versatile expansion mailers and enhance your shipping processes by providing secure, cost-effective solutions for bulky shipments.