Elkay's Portion Control Bags provide an economical, easy to use system for controlling food portions for restaurants, commercial kitchens and institutional food preparers. Portion Control Bags can be quickly and easily loaded because they are bundled for use with a saddle pack dispenser, and the Lip and Flip closure helps keep food fresh. Printed color-coded days of week aid in quickly dating and identifying contents. HDPE material for economical short-term food storage. .5 mil.