Our document mailers are designed to keep your papers organized and secure. The sturdy construction and reliable sealing mechanism prevent any damage or loss during shipping. Whether you're sending business correspondence or personal letters, these envelopes offer a professional appearance and dependable performance for all your mailing needs. Features -Color:White -Material:Paper -Size:35.00X28.50X1.00cm/13.76X11.20X0.39in -Enhanced durability: built to withstand wear and tear, these envelopes protect your important files from damage during shipping, ensuring safe transportation every time -Weatherresistant: the waterproof construction prevents rain or moisture from compromising your documents, offering reliable protection in unpredictable conditions -Generous storage: designed with ample space, these mailers easily hold various file styles, certificates, or small items, meeting diverse postal requirements -Quick : the easytotear opening feature simplifies the unsealing process, saving time and effort for recipients in busy environments -Rigid mailers: protect art prints, photos, CD, books, certificates, and important documents with this mailing envelope; use stamps, labels, and colorful ink to personalize Package list: 20pcs x envelopes