Hana ʻia mai ka mea palupalu (PP copolymer) ʻaneʻane hiki ʻole ke haki.ʻOiai i loko o ka hoʻoilo anu, e ikaika a maʻalahi ka mea.Loaʻa i kēia mea hānai kahi paʻa paʻa paʻa maʻalahi e laka i ka pale ʻana i ke kahe ʻana.
Hana ʻia me nā mea HDPE kiʻekiʻe, ʻoluʻolu ia a he kiʻekiʻe ka paʻakikī a me ka paʻakikī, kūpaʻa ikaika i ka ikaika o waho, ʻaʻole maʻalahi e hōʻino, maʻalahi e hoʻohana a inu, paʻa a paʻa, a hiki ke hoʻohana ʻia no ka manawa lōʻihi.