A resin composition comprising: 35 to 59.9 parts by mass of a propylene polymer satisfying the following requirement (a); 25 to 40 parts by mass of a soft propylene copolymer satisfying the following requirement (b); 0.1 to 10 parts by mass of a polyolefin containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof; and 15 to 30 parts by mass of an ethylene polymer satisfying the following requirement (d) (provided that the total of,,, and is 100 parts by mass), wherein an MFR measured at 230°C and a load of 2.16 kg according to ASTM D-1238 is 7 g/10 min or more and 25 g/10 min or less, (a) a melting point (Tm) observed by differential scanning calorimetry is 120°C or more, (b) an MFR measured at 230°C and a load of 2.16 kg according to ASTM D-1238 is in the range of 0.01 to 100 g/10 min, and the following requirements (b-1) and (b-2) are satisfied: (b-1) a melting point (Tm) observed by differential scanning calorimetry is 110°C or less, or no melting point is observed; and (b-2) a constitutional unit derived from propylene and a constitutional unit derived from at least one olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms are contained, a content of the constitutional unit derived from at least one α-olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms is 30 mol% or less, and an isotactic triad fraction (mm fraction) measured by 13 C-NMR is 80% or more, and (d) the ethylene polymer is an ethylene homopolymer or a copolymer of ethylene and at least one α-olefin selected from α-olefins having 3 to 20 carbon atoms, and an MFR measured at 190°C and a load of 2.16 kg according to ASTM D-1238 is in the range of 0.1 to 10 g/10 min. 35 to 59.9 parts by mass of a propylene polymer satisfying the following requirement (a); 25 to 40 parts by mass of a soft propylene copolymer satisfying the following requirement (b); 0.1 to 10 parts by mass of a polyolefin containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof; and 15 to 30 parts by mass of an ethylene polymer satisfying the following requirement (d) (provided that the total of,,, and is 100 parts by mass), wherein an MFR measured at 230°C and a load of 2.16 kg according to ASTM D-1238 is 7 g/10 min or more and 25 g/10 min or less, (a) a melting point (Tm) observed by differential scanning calorimetry is 120°C or more, (b) an MFR measured at 230°C and a load of 2.16 kg according to ASTM D-1238 is in the range of 0.01 to 100 g/10 min, and the following requirements (b-1) and (b-2) are satisfied: (b-1) a melting point (Tm) observed by differential scanning calorimetry is 110°C or less, or no melting point is observed; and (b-2) a constitutional unit derived from propylene and a constitutional unit derived from at least one olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms are contained, a content of the constitutional unit derived from at least one α-olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms is 30 mol% or less, and an isotactic triad fraction (mm fraction) measured by 13 C-NMR is 80% or more, and (d) the ethylene polymer is an ethylene homopolymer or a copolymer of ethylene and at least one α-olefin selected from α-olefins having 3 to 20 carbon atoms, and an MFR measured at 190°C and a load of 2.16 kg according to ASTM D-1238 is in the range of 0.1 to 10 g/10 min. (a) a melting point (Tm) observed by differential scanning calorimetry is 120°C or more, (b) an MFR measured at 230°C and a load of 2.16 kg according to ASTM D-1238 is in the range of 0.01 to 100 g/10 min, and the following requirements (b-1) and (b-2) are satisfied: (b-1) a melting point (Tm) observed by differential scanning calorimetry is 110°C or less, or no melting point is observed; and (b-2) a constitutional unit derived from propylene and a constitutional unit derived from at least one olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms are contained, a content of the constitutional unit derived from at least one α-olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms is 30 mol% or less, and an isotactic triad fraction (mm fraction) measured by 13 C-NMR is 80% or more, and (d) the ethylene polymer is an ethylene homopolymer or a copolymer of ethylene and at least one α-olefin selected from α-olefins having 3 to 20 carbon atoms, and an MFR measured at 190°C and a load of 2.16 kg according to ASTM D-1238 is in the range of 0.1 to 10 g/10 min. (b-1) a melting point (Tm) observed by differential scanning calorimetry is 110°C or less, or no melting point is observed; and (b-2) a constitutional unit derived from propylene and a constitutional unit derived from at least one olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms are contained, a content of the constitutional unit derived from at least one α-olefin selected from ethylene and α-olefins having 4 to 20 carbon atoms is 30 mol% or less, and an isotactic triad fraction (mm fraction) measured by 13 C-NMR is 80% or more, and (d) the ethylene polymer is an ethylene homopolymer or a copolymer of ethylene and at least one α-olefin selected from α-olefins having 3 to 20 carbon atoms, and an MFR measured at 190°C and a load of 2.16 kg according to ASTM D-1238 is in the range of 0.1 to 10 g/10 min.