1. Insert the picture in the window, no need to take out the original picture, just insert it directly from the opening on the back 2. Metal corner protector, not easy to wear 3. Ribbon design, beautiful and exquisite 4. Cover material: kraft paper 5. Inside page material: 250g black cardboard 6. Shell size: about 17.5x17.5 cm 7. Inside page size: about 16.5x16.5 cm 8. Weight: about 240g/piece
