Color: TransparentThickness: 2 Mil \ 50 Micron \ 5 Wires \ 0.05 mm (Double Face)Material: Plasitc Opp (Oriented Polypropylene)How to use: These Have The Self Adhesive Strip On The Flap Of The Bag.Peel Off The Strip,And Fold The Top Over To The Body Of The Bag To Seal The Contents.Note:Length Includes Flap,So The Usable Size Need To Minus The Flap