A4 Sheet Music Folder: This folder is designed to hold A4 size sheets and offers ample capacity for storing sheet music and other documents, helping to keep your papers organized and protected. Double-sided Transparent Design: Featuring a double-sided transparent layout, this folder allows use on both sides for easy classification and quick access to documents. The open pocket design enables smooth insertion and removal of pages, enhancing convenience during practice or performance. Case Protector: Constructed with a rigid plastic shell, this music folder provides reliable protection against dust, moisture, and stains. The case has clean, precise edges and a smooth surface for comfortable handling, with no sharp areas that could harm your hands. High Quality Plastic Material: Made from durable, high-quality plastic, this folder is waterproof, resistant to tearing and deformation, and built to last through regular use. The cover can be laid flat at a 180-degree angle on a music stand, allowing easy viewing of scores without the folder closing unexpectedly, so you can focus on your performance. Best Assistant for Musicians: Ideal for organizing and protecting important musical documents, this folder is a practical and stylish solution for use at home, school, rehearsals, or performances. Suitable for various instrumentalists and music enthusiasts, it supports efficient score management and is perfect for marking or reviewing music during practice sessions.