A multilayer blow film for stretch hood comprising one or more layers comprising a polyolefin composition comprising: from 20 wt% to 80 wt% of Component A) and from 20 wt% to 80 wt% of Component B); the amounts of A) and B) being referred to the total weight of A)+B) the sum of the amount of A) and B) being 100; wherein component A) is an ethylene copolymer comprising a recurring unit derived from an ester selected from: ethylenically unsaturated organic monomer of esters of unsaturated C 3 -C20 monocarboxylic acids and C 1 to C 24 monovalent aliphatic or alicyclic alcohols, and vinyl esters of saturated C 2 -C 18 carboxylic acids; the ethylene copolymer having a density ranging from 0.920 to 0.935 g/mL; and an MFR (190 °C/2.16 kg) ranging from 0.10 to 20.00 g/10 min; Component B) is a polyolefin composition comprising: (i) 5-35% by weight; of a propylene homopolymer containing 5% by weight or less of a fraction soluble in xylene at 25°C (XS i), or a propylene ethylene copolymer containing 90% by weight or more of propylene units; containing 10% by weight or less preferably 5% by weight or less of a fraction soluble in xylene at 25°C (XS i), both the amount of propylene units and of the fraction XS i being referred to the weight of (i); (ii) 20-50% by weight; of a copolymer of ethylene and a C 3 -C 8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units and containing 25% by weight or less; of a fraction soluble in xylene at 25°C (XS ii), both the amount of alpha-olefin units and of the fraction XS B being referred to the weight of (ii); and (iii) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight; of ethylene units and containing from 40% to 95% by weight of a fraction soluble in xylene at 25°C (XS iii), both the amount of ethylene units and of the fraction XS iii being referred to the weight of (iii); the amounts of (i), (ii) and (iii) being referred to the total weight of (i) + (ii) + (iii), the sum of the amount of (i), (ii) and (iii) being 100. ethylenically unsaturated organic monomer of esters of unsaturated C 3 -C20 monocarboxylic acids and C 1 to C 24 monovalent aliphatic or alicyclic alcohols, and vinyl esters of saturated C 2 -C 18 carboxylic acids; (i) 5-35% by weight; of a propylene homopolymer containing 5% by weight or less of a fraction soluble in xylene at 25°C (XS i), or a propylene ethylene copolymer containing 90% by weight or more of propylene units; containing 10% by weight or less preferably 5% by weight or less of a fraction soluble in xylene at 25°C (XS i), both the amount of propylene units and of the fraction XS i being referred to the weight of (i); (ii) 20-50% by weight; of a copolymer of ethylene and a C 3 -C 8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units and containing 25% by weight or less; of a fraction soluble in xylene at 25°C (XS ii), both the amount of alpha-olefin units and of the fraction XS B being referred to the weight of (ii); and (iii) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight; of ethylene units and containing from 40% to 95% by weight of a fraction soluble in xylene at 25°C (XS iii), both the amount of ethylene units and of the fraction XS iii being referred to the weight of (iii);