Small PECS Communication Book (Picture Exchange Communication System) Perfect for students who use 1"x1" pictures to communicate or who have a smaller vocabuary of large pictures Back of book is longer to accomidate the Sentence Strip Includes one Small Sentence Strip, two Small Insert Pages and strips of hook (rough) VELCRO Brand for self assembly Measures 7 1/4" x 6 1/4" - Available in red, orange, yellow, green, blue, purple, black Pictures sold separately.