This archival ring binder, composed of durable polypropylene, keeps negatives, contact sheets, and prints (safely tucked in protective sleeves) safe from dust on all sides. Its extra large size accommodates our biggest ADOFILE negative sheets and 24x30cm contact sheets with ease. Store up to 150 filled negative pages inside. Measures 33.5 x 6 x 31.5 cm, with a standard DIN 4 ring closure. Files not included!