Material: PVC+Paper+Stainless Steel Binder size: about 18.5*10.5cm 1MATERIAL---The mini 3 ring binder cover is made of high-quality PVC material, transparent material, simple and elegant. The binder is made of high-quality stainless steel, which is easy to open and close. 23 RING DESIGN---The mini binder notebook adopts a 3 ring design, which is very flexible and convenient, allowing you to easily replace the internal paper without affecting the appearance; If you have a hole punch, you can DIY the inner paper according to the size yourself, making your own personalized notes. 3PORTABLE---The mini transparent 3-ring binder size of the binder is about 18.5cm long and 10cm wide, it is compact and portable, right in your pocket, you can take it with you wherever you go to class or go out; the inner pages are 6 x 8 cm (L x W), enough space for taking notes.Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.1 x Binder80 Sheets x Inner Pages12 Sheets x Title Pages