... / VMPET/ PE; PET/ VMPET-PET/ PE allow clear window in one side;PET/PE and NY/PE are for transparant bags. freezing ... : heat-cut, cold-cut, blown, standup, zipped, heat-sealed, three-side-sealed, withhandle or hanger hole,sealed-in the-middleCan offer ... , 3kg etc5. The bag style can be three-side sealed, stand upwith zipper, side gusset, quad-sealed etc., justaccording to your requirement ...