Color: Gray Fabric: [Exterior] Synthetic leather [Lining] Brushed material Size: (Outer dimensions) 29.5cm x 29.5cm *Size when laid flat. Details: 1. NAHOK cases are all designed with careful consideration of their use, and do not particularly require an inner cover, but they are available separately for those who prefer to use one. 2. Although it does not have the thickness of boa, it has fixing belts on both sides, allowing for secure fastening. Info: This is a cover used when not using a NAHOK single case with a music score briefcase. ■ NAHOK uses waterproof fabric imported directly from Germany. Furthermore, shock-absorbing and temperature-regulating materials are inserted, also imported directly from Europe. Sewing is done in Japan. Fabric from Germany, Made in Japan, Designed by Nahok.