ASK Wholesale Black Poly Mailers – 9 x 12 Inches Ship with confidence using ASK Wholesale's premium black poly mailers. Designed with a sleek, professional black exterior and gray inner lining for full opacity, these 9 x 12 inch bags offer both style and security. Crafted from durable, tear-resistant polyethylene, they protect your items from damage, moisture, and tampering. Each mailer features a strong self-sealing adhesive strip that ensures a secure closure in any weather. Perfect for eCommerce businesses, boutiques, and online sellers, these mailers simplify your shipping process while enhancing your brand's image. Key Features: Size: 9 x 12 inches – ideal for clothing, books, accessories, and more Color: Sleek black with gray inner lining for privacy and a premium look Material: Tear-resistant, waterproof polyethylene Seal: Reliable, tamper-evident self-sealing adhesive strip Use Case: Great for small to mid-sized businesses, retail, and eCommerce shipping Upgrade your packaging with ASK Wholesale — where protection meets presentation.