Iri bhegi rakagadzirwa neatatu-layer composite material (MOPP/ PET/PE), iyo yekunze layer iMOPP firimu, uye frosted mhedzisiro yakanaka kunzwa, izvo zvinoita kuti iwedzere-giredhi. Iyo yepakati dhizaini ichena yemombe yakavharwa aluminized PET, inogona kuvhara mwenje uye kudzivirira ultraviolet mwaranzi. Iyo yemukati layer iPE, ine yakanaka yekuisa chisimbiso pfuma uye yakanaka barriers pfuma.
Bhegi rine zipi rinogona kuvharwa kuti rishandiswezve.