PECS 151: 1 3/4" Symbols for Picture Exchange Communication System This colorful picture collection includes some of the most commonly used picture/symbols for visual communication for the Picture Exchange Communication System These generic, non-specific pictures are perfect for combing with attributes for precise requests or comments Full color pictures are printed on rigid paper and laminated for added durability Includes VELCRO Brand loop VELCOINS to apply to the back of each picture Set includes 151 images