1. Material: 250g white cardboard 2. Metal double coils, can turn the page 360 degrees, more convenient 3. Triangular base, can stand on the desktop, not easy to collapse 4. Inside page can be written design, easy to mark the date 5. Mini size, can be put in the bag to carry out conveniently 6. Size: 78 x 105mm 7. Weight: 54.5g
