100pcs Waterproof And Tearproof Mailing Bags -Strong Large Size 40cm X 30cm Thick Packing Sealing Material, Packing Nylon, Packing Flyer, Courier Mailer Bag

Secure, Professional, and Efficient Shipping Solution

Take your logistics game to the next level with our tamper-proof, self-adhesive courier bags—the ideal packaging choice for e-commerce businesses, courier services, and logistics companies. These medium-sized poly mailers are carefully engineered to provide maximum security, efficiency, and a premium unboxing experience for your customers.

With a sleek exterior and opaque black interior, these bags ensure complete privacy and discretion for your shipments. They feature a secure self-adhesive flap that resists tampering, keeping your packages intact from origin to destination. Even better—they come equipped with a transparent invoice sleeve to easily insert and display receipts, waybills, or delivery notes, enhancing both functionality and professionalism.

Features:

Tamper-proof seal for enhanced security during transit
Waterproof design for optimal protection against moisture and spills
Dual-color construction ensures both aesthetic appeal and content confidentiality
Built-in document pouch for easy and visible insertion of invoices and shipping labels
Lightweight yet durable—reduces shipping costs without compromising protection

Whether you're shipping apparel, documents, or accessories, these plain flier courier bags offer a streamlined and reliable packaging option that reflects the quality of your brand. Perfect for companies that want to stand out with crisp, professional delivery presentation and secure packaging.

Choose packaging that does more than just deliver—make a lasting impression with every shipment.