Quality A3 Half Fold (Bi-Fold) Leaflets (Closed Size A4) - 'EXPRESS 24-48 HRS' WITH FREE DELIVERY Maximise your message with our A3 Half Fold (Bi-Fold) Leaflets (Closed Size A4). Printed in vibrant full colour on high-quality paper, these folded leaflets are ideal for brochures, menus, corporate ...