High-Quality A4 Folder for Professional Organization

High-Quality A4 Folder for Professional Organization This standard A4 professional filing folder adopts sponge leather cortical material, matching the three core keywords: Cortical Folder Durable Sponge Leather A4, Durable Sponge Leather A4 Folder, Cortical A4 Folder with Sponge Leather. It is tailored for corporate office sorting, business negotiations, official document archiving and certificate storage, focusing on texture, structural durability and document protection performance. Material Feature The outer layer uses high-quality sponge cortex consistent with Leather Notebook material standards, with soft sponge lining inside the leather shell. The sponge buffer layer effectively cushions extrusion impact, prevents internal documents from being creased and damaged by compression. The cortical surface is treated with anti-wear and anti-fouling coating, resistant to daily scratches, handprint stains and mild water splashing, not easy to harden, crack or fade after long-term freque…