(1) Special shaped bag, custom shaped bag.
(2) Zipper inogona kuwedzerwa pahomwe kuti ivhare zvakare mabhegi ekurongedza.
(3) Kubvarura notch inodiwa kuti mutengi avhure mabhegi ekurongedza zviri nyore.
(4) BPA-MAHARA uye FDA yakabvumidzwa chikafu giredhi zvinhu.