• Liderpapel A4 Wonder spiral notebook with plastic cover. • 80 sheets of 90 g/m² paper, prevents transparency and ink bleeding. • 4 mm grid with margin, ideal for mathematics and graphics. • 600-micron polypropylene cover for greater protection. • Spiral binding allows full opening or folding of pages. • Suitable for students, professionals, and daily use. • Durability and versatility for a wide range of uses.