ADD or dyslexia, and for students of all ages. Yellow durable translucent reading strips help you focus for easy reading at home and on the go. Pack contains 6 guides. Strips measure 7.5" wide x 1.25" high (19 cm wide x 3.2 cm high). Backing card measures 9.5" wide x 2.25" high (24.13 cm wide x 5.72 cm high).