A composition comprising (I) 1.0 to 49.0 wt% based on the total composition, of a multimodal high density polyethylene (HDPE), wherein the multimodal HDPE has a density (ASTM D792) in the range of 948 to 970 kg/m 3 and a MFR 2 (190°C, 2.16 kg, ISO 1133) of 0.1 to 3.0 g/10 min and wherein the multimodal HDPE comprises at least (i) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a polyethylene component (A) with a density (ASTM D792) in the range of 955 to 980 kg/m 3 and an MFR 2 (190°C, 2.16 kg, ISO 1133) of 10 to 1000 g/10 min; and (ii) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a polyethylene component (B) being a polyethylene with a density (ASTM D792) in the range of 935 to 965 kg/m 3 and an MFR 2 (190°C, 2.16 kg, ISO 1133) of 0.0001 to 1.0 g/10 min; and (II) 51.0 to 99.0 wt% based on the total composition, of a mixed-plastic-polyethylene recycling blend (PERB) having a MFR 2 (ISO 1133, 2.16 kg, 190°C) of from 0.1 to 1.2 g/10 min, a density (ASTM D792) of from 910 to 945 kg/m 3 ; and a total amount of ethylene units (C2 units) of from 80.0 to 96.0 wt%, as measured by NMR of the d2-tetrachloroethylene soluble fraction, with the total amount of C2 units being based on the total weight amount of monomer units in the mixed-plastic-polyethylene blend (B) and measured according to quantitative 13 C NMR measurement. (I) 1.0 to 49.0 wt% based on the total composition, of a multimodal high density polyethylene (HDPE), wherein the multimodal HDPE has a density (ASTM D792) in the range of 948 to 970 kg/m 3 and a MFR 2 (190°C, 2.16 kg, ISO 1133) of 0.1 to 3.0 g/10 min and wherein the multimodal HDPE comprises at least (i) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a polyethylene component (A) with a density (ASTM D792) in the range of 955 to 980 kg/m 3 and an MFR 2 (190°C, 2.16 kg, ISO 1133) of 10 to 1000 g/10 min; and (ii) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a polyethylene component (B) being a polyethylene with a density (ASTM D792) in the range of 935 to 965 kg/m 3 and an MFR 2 (190°C, 2.16 kg, ISO 1133) of 0.0001 to 1.0 g/10 min; and (i) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a polyethylene component (A) with a density (ASTM D792) in the range of 955 to 980 kg/m 3 and an MFR 2 (190°C, 2.16 kg, ISO 1133) of 10 to 1000 g/10 min; and (ii) 30 to 70 wt%, relative to the total weight of the multimodal HDPE, of a polyethylene component (B) being a polyethylene with a density (ASTM D792) in the range of 935 to 965 kg/m 3 and an MFR 2 (190°C, 2.16 kg, ISO 1133) of 0.0001 to 1.0 g/10 min; and (II) 51.0 to 99.0 wt% based on the total composition, of a mixed-plastic-polyethylene recycling blend (PERB) having a MFR 2 (ISO 1133, 2.16 kg, 190°C) of from 0.1 to 1.2 g/10 min, a density (ASTM D792) of from 910 to 945 kg/m 3 ; and a total amount of ethylene units (C2 units) of from 80.0 to 96.0 wt%, as measured by NMR of the d2-tetrachloroethylene soluble fraction, with the total amount of C2 units being based on the total weight amount of monomer units in the mixed-plastic-polyethylene blend (B) and measured according to quantitative 13 C NMR measurement. <EOS>