STYLISH AND PORTABLE DESIGN: This leather portfolio surface is made of PU leather that is waterproof and easy to hold in your hand or in your backpack. The envelope folder has a sleek and modern design style that makes a great decorative addition to your office or home. It appears simple but elegant and professional. LONG-LASTING: The file surface has no deformation, no fading, non-sticky, wear-resistant, and with a durable metal snap button closure design, it can be stored or accessed easily without folding and protects your documents well for a long time. UNIQUE PRACTICAL DESIGN: File folder with pen holder design helps to grab the pen easily and secure closure is suitable for safe transportation and storage of files and projects. It protects your documents from tearing and other damage. DIMENSION: This expanding file folder size: 13*9.45 inches (33*24 cm) suitable for A4 paper, letter size file. It has a large capacity to hold about 60 sheets of paper. Easily hold paper, mobile phone, keys, pens or other small items you need to carry.