Sheet music file, writable, won't close, stable, 180° opening, ring binding, 2-page spread, holds 20 sheets (40 pages total), band closure,

[Excellent Stability!] The 180° opening ring binder provides exceptional stability! No need to worry about it closing or falling over during a performance! You can play with peace of mind. [Writable Immediately!] You can immediately write down what you learned and key points during lessons while the sheet music is still in the file! This sheet music holder is a strong ally for improvement as you won't miss any important points! [Does Not Reflect Light] Because it's not a bag-type film, the sheet music won't be obscured by reflections from lighting or spotlights, allowing you to concentrate on your performance. [Just Insert Copied Sheet Music] Simply insert copied sheet music into the stopper! You can easily create your own original sheet music! No more need to glue and cut to cardboard! [Product Specifications] Size: Approx. 32cm x 25cm x 1.5cm, 2-page spread (20 files included * 40 pages) 180° opening allows for use on both sides. Weight: 320g