Wifortech carpet film can be directly applied toWool carpet and other kinds of carpets that has not been cleaned and will help remove any existing dust on it. Specification: Material:Polyethylene Adhesive:water based Solvent acrylic Thickness:50micron-150micron /2mil, 2.5mil, 3mil, 4mil Color:Transparent, red,blue,yellow Logo Printing:Available Size:100mm-1650mm 21"*100'(200',500',1000') 24"*100'(200',500',1000') 36"*100'(200',500',1000') 48"*100'(200',500',1000') Adhesive Strength:700g/25mm-900g/25mm Elongation:>300%