Reclosable ZIpTop Poly Bag -Clear has a reclosable and openable Zip on the top for the security of the item packed inside. Best used for Medicines, food, nuts, pulses, and produce. Also used as protection for temporary storage and packaging to save products from dirt and dust. They are made of 100% virgin low and linear-density polyethylene. and come in various thicknesses of 2Mil to 6Mil.