Buy 2 to 3 get 1 free surprise poster ---- Buy 4 to 6 get 3 free surprise posters Buy 7 to 10 get 4 free surprise posters ---- Buy 11 to 15 get 6 free surprise posters Buy 16 to 20 get 8 free posters or you can choose the ones you want Buy over 20 and we will double your order free shipping on all orders within the u.s.a all posters are glossy