A4+ Notebook, 6 mm ruled with margin, perforated and 4-hole punched sheets, 80 sheets. The extra-white and silky-smooth Optik Paper® allows writing on both sides of a sheet without ink bleeding through to the back. Special ruling with a header for meeting titles, topics, and dates, as well as a margin for numbering or highlighting bullet points. The sturdy black double spiral binding ensures durability, while the notebook can lie flat or be fully flipped over for maximum comfort and flexibility. The extra-sturdy cardboard cover provides additional protection for your notes. Compatible with the Scribzee® app for scanning, organizing, and sharing notes. Oxford's exclusive Optik Paper® has received both the EU Ecolabel and PEFC™ certification. The double spiral allows for 360° page turning and complete writing on each individual sheet. Perforated and pre-punched sheets can be easily removed with a clean edge for quick filing of notes.