• Binder with a refill of 100 squared A4 sheets (21x29.7 cm), 5x5 mm grid and 90 gsm thickness, ideal to prevent ink bleed-through. • Includes 4 colored dividers to classify the content by subjects or topics. • 4-ring system that allows you to store, file, and consult sheets easily. • Internal compressor that keeps the sheets firm and elastic closure to protect the contents. • Dimensions of 28x32x4 cm, slightly larger than standard A4, for greater capacity without losing manageability. • Transparent inner pocket to store loose papers, notes, or small accessories. • Made of hard cardboard with a laminated finish, which ensures resistance and durability for daily use.