1.9 lines of 30 square braille writing board with pen / 9 lines of 28 square upgraded version / blind writing board / school supplies for the blind; 2. Single page size: 22x10cm; Unfolded dimensions: 43.5x10cm 3. Folded thickness: 0.6cm, weight: 86g 4. Product features: moderate size, easy to carry. High quality, great feel and sturdy with full Braille in Braille.
