The trend towards smaller, more portable beverage And prepared food containers will play a large part in the increased use of plastics in rigid food packaging in the us market, according to a new report published by usbased bcc research. The category is expected to expand by 4.7 per cent a year to £17.2bn in 2013, said Their report rigid food packaging. researchers said that demographic changes such as greater numbers of singleperson households And older consumers Will support the demand for more convenient prepared foods and singleserving portions, sometimes in multipacks.