SOME OF THE AMAZING CHARACTERISTICS OF THIS PRODUCT:
22 educational posters per pack.
3mm laminated plastic (front only) for extra durability.
Posters are not packaged in tubes but in a carton so they arrive flat.
Posters are high quality 157G compared to low lower quality of 150g or 120Ib.
Posters are bigger 13x19 inches compared to 12x17.5 inches.
Posters are higher sets with 22, compared to 20, 18,16, or 10.
Posters package is the best according to customers requests.