Note pad: Used for storing notes, documents, keys, A4-sized paper with 30 compartments. Material: The inner pockets are slip-resistant and transparent with high-quality polypropylene (PP). The spiral binding allows the pad to open at an 180-degree angle for flat notes. Waterproof and thick compartments: Inner pockets are slip-resistant and transparent, and the concave-convex technology reduces reflected light to ensure your key stays dry while practicing. Perfect for: Ideal for daily organization and storage of A4-sized and smaller documents commonly used at offices, schools, and home. Works equally well on piano, organ, or performance synthesizer. Easy to use: Sheets of music and other paper can be inserted. A standard display book that can be easily inserted and removed from notes or music files. Product description: Note stand, multifunctional paper organizer, document holder, note organizer, folder Features: 1. Material - High-quality polypropylene (PP) material that is lightweight, durable, waterproof, and protects documents for long-term use. 2. Spiral binding allows the folder to open at an 180-degree angle for flat notes. The folder does not close automatically on a note stand. This enables simple and precise page flipping. 3. Can be used to store documents, music notes, sketch pads, etc. Suitable for daily organization and storage of documents A4 size and smaller than A4. 4. The inner plastic pockets are thick and transparent, and the concave-convex technology reduces reflected light to keep your music notes or document files secure. 5. Standard display book - The clear bands are sealed on the outer edge. Even if the folder is upside down, your notes will not fall out. 6. A great assistant for instrument players, musicians, students, office workers, etc. Designed for offices, schools, and home. Pages clearly visible without light reflection. Specification: Material: high-quality polypropylene (PP) Color: black Size: A4 or 31.5 cm x 24 cm Compartments: 30 compartments Package: 1 piece Note stand or Concert sheet holder