Show everyone what your business is made of with this standard round ring binder notebook! Four different sizes for you to choose. This is great for students to organize their notes and handouts by class or for professionals to stay organized. This comes in several fantastic colors, so add your company name or logo and let customers choose their favorite. Get a hold of new customers when you make this your next giveaway! Made from pu leather; paper material, measuring A4: 12.2*9.4 inches B5: 10.6*8.3 inches A5: 9*6.5 inches A6: 7.4*4.9 inches, this custom hollow ring binder business notebook. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Writable surface, lightweight, recyclable paper.