Polypropylene Material : Engineered with high-quality PP material, these clear report covers are built to last, offering both strength and flexibility. Letter Size Compatibility : Perfectly sized for Letter Size papers, these covers provide a snug fit while ensuring clear visibility of documents. Non-slip Bar Design : The innovative 10mm sliding bar ensures secure document storage, preventing any slippage during handling. Reusable Sturdy Design : Designed for multiple uses, these covers maintain their shape and clarity, making them an economical choice for long-term use. Wide Uses Document Management : From schools to offices, these versatile file folders are ideal for managing various types of documents with ease. In a world where organization is key, our pack of 20 polypropylene material clear report covers stands out. With a non-slip bar design and a focus on durability, these covers are your ally in maintaining a neat and professional appearance in all your document-related tasks.