A4 spiral notebook, 5 mm grid with margin, 90 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 layout with a header for meeting titles, topics, and dates, as well as a margin for numbering or highlighting bullet points. The sturdy double spiral coated in black plastic ensures durability, while the notebook can lie flat or be fully folded back for maximum comfort and flexibility. The resilient and durable PP cover with a metallic effect is tear-resistant and withstands heavy use. Oxford's exclusive Optik Paper has received both the EU Ecolabel and PEFC certification. Removable bookmark ruler for drawing, measuring, or as a bookmark.