opp bag packing bag self-adhesive sticker closure bags plastic membrane bag transparent plastic bag can be thickened and tear-proof

16*24 8*15 12*18 14 times 18 12*20 15*20 18*24 12 times 27 15*27 18*27 22*27 15*30 18 times 30 20*30 16*35 20*35 32 times 35 22*40 32*40 20*44 28*44 38*44 18*50 22*50 38*50 25*54 32*54 40*54 30*60 45*60 30*65 40*65 40*70 45*70 55*70 50*75 60*75 50*80 55*80 60*80

double-layer, 5 microns thick