(1) Kunshin yana da zik din da aka rufe, wanda za'a iya sake amfani dashi kuma yana iya rufe samfurin.
(2) Kyauta na BPA da kayan ingancin abinci da aka yarda da FDA.
(3) Yana toshe hasken ultraviolet, iskar oxygen da danshi daga duniyar waje, yana kiyaye shi muddin zai yiwu.