I-Double Thickening Design Bags:Amapayipi Ezikhwama ezenziwe ngepulasitiki eqinile, ewugqinsi ekwazi ukumelana ne-extrusion enamandla, okuyizikhwama zekhekhe ezijiyile ezijiyile uma ziqhathaniswa nemakethe, akulula ukuthi ziqhume noma zihlukaniseke.Ilungele amaqebelengwane amakhekhe, kanye nokhilimu wamapayipi, ushokoledi namazambane acubuziwe, nokunye ukudla okuthambile noma ukuhlobisa ikhekhe.