A resin composition comprising a 4-methyl-1-pentene copolymer that satisfies the following requirements (A-a) to (A-d) and a 4-methyl-1-pentene copolymer that satisfies the following requirements (B-a) (B-a1), (B-b), (B-b1), and (B-c) to (B-d), wherein a content of the copolymer is 10 to 95 parts by mass and a content of the copolymer is 90 to 5 parts by mass with respect to 100 parts by mass of the total content of the copolymers and: (A-a) an amount of constitutional units derived from 4-methyl-1-pentene is 80.0 to 99.9% by mol and a total amount of constitutional units derived from at least one selected from linear α-olefins having 2 to 20 carbon atoms is 20.0 to 0.1% by mol (provided that U1 and U2 in total is 100% by mol); (A-b) an intrinsic viscosity [η] A measured in decalin of 135°C is 0.5 to 5.0 dL/g; (A-c) when the copolymer is measured in a cross fractionation chromatograph apparatus using an infrared spectrophotometer as a detector part, at least one peak of an amount of a component eluted is present in a range of 100 to 140°C; (A-d) when the copolymer is measured in the CFC, a molecular weight distribution (Mw/Mn), which is a ratio between a weight average molecular weight (Mw) and a number average molecular weight (Mn), in the component eluted in a range of 100 to 140°C, is 1.0 to 3.5; (B-a) an amount of constitutional units derived from 4-methyl-1-pentene is 20.0 to 98.0% by mol and a total amount of constitutional units derived from at least one selected from linear α-olefins having 2 to 20 carbon atoms is 80.0 to 2.0% by mol (provided that U3 and U4 in total is 100% by mol); (B-a1) a ratio (U4/U2) between U2 (% by mol) described in the requirement (A-a) and U4 (% by mol) described in the requirement (B-a) is more than 1.0 and less than 50.0; (B-b) an intrinsic viscosity [η] B measured in decalin of 135°C is 2.0 to 8.0 dL/g; (B-b1) a ratio ([η] B /[η] A) between [η] A described in the requirement (A-b) and [η] B described in the requirement (B-b) is more than 1.0 and 6.0 or less; (B-c) when the copolymer is measured in a cross fractionation chromatograph apparatus using an infrared spectrophotometer as a detector part, at least one peak of an amount of a component eluted is present in a range of 0°C or higher and lower than 100°C; and (B-d) when the copolymer is measured in the CFC, a molecular weight distribution (Mw/Mn), which is a ratio between a weight average molecular weight (Mw) and a number average molecular weight (Mn), in the component eluted in a range of 0°C or higher and lower than 100°C is 1.0 to 7.0. (A-a) an amount of constitutional units derived from 4-methyl-1-pentene is 80.0 to 99.9% by mol and a total amount of constitutional units derived from at least one selected from linear α-olefins having 2 to 20 carbon atoms is 20.0 to 0.1% by mol (provided that U1 and U2 in total is 100% by mol); (A-b) an intrinsic viscosity [η] A measured in decalin of 135°C is 0.5 to 5.0 dL/g; (A-c) when the copolymer is measured in a cross fractionation chromatograph apparatus using an infrared spectrophotometer as a detector part, at least one peak of an amount of a component eluted is present in a range of 100 to 140°C; (A-d) when the copolymer is measured in the CFC, a molecular weight distribution (Mw/Mn), which is a ratio between a weight average molecular weight (Mw) and a number average molecular weight (Mn), in the component eluted in a range of 100 to 140°C, is 1.0 to 3.5; (B-a) an amount of constitutional units derived from 4-methyl-1-pentene is 20.0 to 98.0% by mol and a total amount of constitutional units derived from at least one selected from linear α-olefins having 2 to 20 carbon atoms is 80.0 to 2.0% by mol (provided that U3 and U4 in total is 100% by mol); (B-a1) a ratio (U4/U2) between U2 (% by mol) described in the requirement (A-a) and U4 (% by mol) described in the requirement (B-a) is more than 1.0 and less than 50.0; (B-b) an intrinsic viscosity [η] B measured in decalin of 135°C is 2.0 to 8.0 dL/g; (B-b1) a ratio ([η] B /[η] A) between [η] A described in the requirement (A-b) and [η] B described in the requirement (B-b) is more than 1.0 and 6.0 or less; (B-c) when the copolymer is measured in a cross fractionation chromatograph apparatus using an infrared spectrophotometer as a detector part, at least one peak of an amount of a component eluted is present in a range of 0°C or higher and lower than 100°C; and (B-d) when the copolymer is measured in the CFC, a molecular weight distribution (Mw/Mn), which is a ratio between a weight average molecular weight (Mw) and a number average molecular weight (Mn), in the component eluted in a range of 0°C or higher and lower than 100°C is 1.0 to 7.0.