Adopting metal firm large coil, turning pages freely.180? flat writing, 360? flip with your heart.8mm scientific spacing horizontal line design, thick paper, double-sided writing, no ink seepage, suitable for all kinds of pens. The edges of the book are fine and the cutting is smooth and neat. Customized content on the cover, you can add the company logo, name or important advertising words, and other elements to strengthen the corporate culture. Suitable for a variety of occasions, promotional work, work records, meeting records, gift-giving, and so on. Made from papery material, measuring 5.83*8.27 inches, this custom colour-coiled notebooks for office learning & business. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Writable surface, lightweight, recyclable paper.