Durable Construction: These poly mailers are made from sturdy, waterproof polyethylene material to protect your shipments from moisture and damage.Color: Outer gray, inner black。 Multipurpose Usage: Ideal for shipping clothes, documents, small items, and more. These versatile bags can be used for a variety of mailing needs. Secure Seal: The self-sealing adhesive strip ensures a tight closure, keeping contents secure during transit. Convenient Size: Measuring 12x15.5 inches, these poly mailers accommodate a range of package sizes for efficient shipping. Bulk Pack: This set includes multiple poly mailers, providing a reliable supply for your small business shipping needs. Protect your valuable items during shipping with these durable poly mailers. These waterproof and tear-resistant poly bags are perfect for mailing clothes, documents, or any other items that need to stay dry and secure. Measuring 12x15.5inches, these packaging envelopes provide ample space for your goods while remaining lightweight and compact for cost-effective shipping. The self-sealing adhesive strip ensures a secure closure, preventing contents from falling out. These poly mailers are an essential shipping supply for any small business or individual looking for reliable and affordable packaging solutions. Keep your shipments safe and your customers satisfied with these high-quality poly bags.