Business templates for tri fold square design brochures. Leaflet cover, vector layout. Halftone dotted background, retro style grungy pattern, vintage texture. Halftone effect with black dots on white. Set of business templates for tri fold square design brochures. Leaflet cover, abstract flat layout, easy editable vector. Halftone dotted background, retro style grungy pattern, vintage texture. Halftone effect with black dots on white.