Hp superior inkjet paper a3 for professional posters and flyers hp professional glossy inkjet paper is a heavyweight paper with a bright white finish on both sides designed for fast easy and economical short run printing for customised promotional literature brochures and flyers features professional heavyweight inkjet paper specially designed for hp inkjet and designjet printers glossy finish makes it ideal for brochures and flyers a3 size 180gsm paper weight 50 sheet per pack