Discover the practicality and durability of JeeJaan's mailing postage poly postal bags, ideal for a seamless shipping experience. Crafted from robust plastic/polycarbonate material with a thickness of 50-70 microns, these grey mailer bags are designed to provide a secure and opaque packaging solution. Available in a variety of sizes from a modest 4.5 x 7" to a generous 34 x 42", they accommodate a range of parcel sizes for both personal and business needs. Featuring a self-seal adhesive strip style, these bags ensure your items are packaged with a tamper-proof seal. The 100% recyclable design aligns with eco-friendly practices, while the strong, durable construction ensures your packages are protected throughout the mailing process. Proudly manufactured in the United Kingdom, these mailer bags are a reliable choice for your postage and packing requirements.