Bokosi lozizira la HDPE, lomwe limatchedwanso plastic cooler box, ndi bokosi lotsekera lopanda magetsi lomwe limagwiritsidwa ntchito mubokosi lozizira ngati mufiriji.Mabokosi athu ozizira okhala ndi kukula ndi mawonekedwe osiyanasiyana, nthawi zambiri amagwiritsidwa ntchito popereka chakudya ndi mankhwala okhudzana ndi unyolo wozizira, monga chakudya chatsopano, zakudya kapena zitsanzo zamankhwala, ndi zina.