This is a set of portable books with binder ring design, which makes the notepad refillable. These cards are very practical for you to DIY your own study cards, like word cards, notepads, memorandum and others more. It's very as school supplies and stationary for students, or office workers. Features -Color: Assorted color -Material: Paper -Size: About 13.50X8.50X1.00cm/5.31X3.34X0.39inch -They are made from premium paper material, which is for use. -The product design is simple, and generous, portable enough for you to take along. -The item allows you to write smoothly, does not penetrate or penetrate ink. -Designed to have a each notepad, making them portable when turning pages. -The notepads are light in weight and small in size, portable and convenient to use. Package list: 4 x portable vocabulary notepads