Note folder: Used to store notes, documents, etc., note folders, clefs, A4-sized paper with 30 compartments. Material: The inner pockets are non-slip and transparent, made from polypropylene (PP). The spiral binding allows the folder to be opened at a 180-degree angle for flat sheet music. Waterproof and Thick Pockets: The inner pockets are non-slip and transparent, and the concave-convex technology reduces reflected light to ensure your sheet music stays dry whilst you practise. Perfect for: Suitable for daily filing and storage of A4-sized and smaller documents, widely used in offices, schools and homes. Works equally well with piano, organ or performance synthesiser. Easy to use: choir and piano sheet music and other papers can be inserted. A standard display book that allows sheet music or music files to be easily inserted and removed. Product Music Holder, Multipurpose Sheet of Paper Document File Music Holder Organiser Folder Features: 1. Material - polypropylene (PP) material that is lightweight, durable, waterproof and capable of protecting documents over the long term. 2. The spiral binding allows the folder to be opened at a 180-degree angle for flat sheet music. The folder does not automatically close on a music stand. This enables easy and accurate turning of the pages. 3. Can be used to store documents, sheet music, sketches, etc. Suitable for the daily filing 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 light reflection, keeping your sheet music or document files safer. 5. Standard display book – The clear bands are sealed along the outer edge. Even if the folder is upside down, your papers will not fall out. 6. A great aid for instrumentalists, musicians, students, office workers, etc. Designed for use in the office, school and home. Pages clearly visible without light reflection. Specification: Material: polypropylene (PP) Colour: black Size: A4 / 31.5 cm x 24 cm Bags: 30 bags Package: 1 piece Music Holder / Concert Choral Folder