(1) ʻeke ʻano kūikawā, ʻeke ʻano maʻamau.
(2) Hiki ke hoʻohui ʻia ʻo Zipper ma ka ʻeke e hoʻopaʻa hou i nā ʻeke ʻeke.
(3) Pono ka waimaka no ka wehe maʻalahi i ka mea kūʻai aku.
(4) BPA-FREE a me ka FDA i ʻae ʻia i ka papa meaʻai.