Business templates for square design brochure, magazine, flyer, booklet. Leaflet cover, vector layout. Colorful dark background with abstract lines. Bright color chaotic, random, messy curves.. Business templates for square design brochure, magazine, flyer, booklet or annual report. Leaflet cover, abstract flat layout, easy editable vector. Colorful dark background with abstract lines. Bright color chaotic, random, messy curves. Colourful vector decoration.