Abstract background with lines of variable thickness. Halftone effect line pattern. Grunge modern pop art texture for poster, banner, sites, business cards, cover, postcard, design, labels, stickers Shutterstock Image - Abstract background with lines of variable thickness. Halftone effect line pattern. Grunge modern pop art texture for poster, banner, sites, business cards, cover, postcard, design, labels, stickers - ID: 710763619