TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The weight fraction of maleic anhydride in grafted polyolefin is 1.4-1.2 weight%, 0.8 weight% or 0.4 weight%. The grafted polyolefin has polyolefin density of 0.860-0.910 g/cm3, tested using ASTM D 792 method. The grafted polyolefin comprises ethylene, copolymer of ethylene and 3-10C ( alpha )-olefin(s) or ethylene-octene random copolymer. The grafted polyolefin(s) is an ethylene-octene block copolymer. The adhesive layer includes ungrafted polyolefin(s) which comprises ethylene. The adhesive layer contains anti-block additive. The polyolefin film further includes a barrier layer comprising polymer resin. The fabric layer includes synthetic material, fibrous material, nylon, polyester, polyethylene, polypropylene or aramide. Preferred Properties: The grafted polyolefin has glass transition of -35 to -60 degrees C. The grafted polyolefin(s) including maleic anhydride has melting temperature of 105 degrees C or less than 85 degrees C, tested using ASTM D 1525 method. The ungrafted polyolefin(s) has melting temperature of more than 105 degrees C or less than 85 degrees C. The adhesive layer has melting temperature of more than 105 degrees C and melt flow rate of less than 20 g/minute. The weight fraction of adhesive layer is less than 86%. The adhesive layer has thickness of 5-100 microns. The peel strength of polyolefin film is more than 100 N/m at 23 degrees C. The polyolefin film includes a tie layer and recycle layer between adhesive layer and barrier layer. The barrier layer includes stabilizer, lubricant, pigment for coloring polyolefin film and anti-block additive. The polyolefin film has total thickness of 40-60 microns, preferably 50 microns, permeability of 0.0150-0.2 cm3/second/cm2 and 1% tensile modulus of 200-500 MPa. The weight fraction of grafted polyolefin in adhesive layer is 20 weight%. The grafted polyolefin has melting index of 3.1 g/10 minutes at 190 degrees C and 2.16 kg force, density of 0.866 g/cm3, peak melting point of 120 degrees C and glass transition temperature of -60 degrees C. The adhesive layer further includes primary ungrafted polyolefin comprising ethylene-octene block copolymer and secondary ungrafted polyolefin comprising low density polyethylene. The primary ungrafted polyolefin comprises 61 weight% of adhesive layer, and has melting index of 0.5 g/10 minutes at 190 degrees C and 2.16 kg force, density of 0.877 g/cm3, flexural modulus of 21.3 MPa, peak melting point of 120 degrees C and glass transition temperature of -60 degrees C. The secondary ungrafted polyolefin comprises 14 weight% of adhesive layer, and has melting index of 0.47 g/10 minutes at 190 degrees C and 2.16 kg force, density of 0.919 g/cm3, and peak melting point of 108 degrees C.