Deli Portable Briefcase Large Capacity Business Casual Portable Storage Document Bag 637621. Large capacity loading, which can hold laptops, mobile phones, books, wallets, etc. 2. Three dimensional file bag structure, edge protection, cushioning certain external force 3. Computer compartment design (sponge inside for shock absorption), which separates the laptop from the documents, with elastic rope protection 4. Satin with polyester inner bag, clear and natural texture, water repellent 5. Smooth metal zipper, easy to open and close 6.