Writing area: 4 lines, 28 cells, general form for your use, braille writing slate is convenient for braille writing Easy to travel with: the braille writing slate is lightweight and durable, come with a small stylus in size, it can be carried in a bag and carried around Lightweight material: made of quality plastic material, durable and lightweight, odorless and safe for your use; Note: pointed items included, please keep away from children High quality, good hand feel and durable. Braille is full. Product size: 21.8x4.4x0.7CM