An ethylene-vinyl alcohol copolymer composition pellet comprising: an ethylene-vinyl alcohol copolymer; a boron compound; and at least one component selected from the group consisting of: 0.0001 to 0.05 wt.% of a cinnamic acid component based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 10 to 500 ppm of an alkali metal based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 0.001 to 0.06 wt.% of a conjugated polyene based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 0.001 to 0.15 wt.% of a lubricant based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; and 1 to 100 ppm of an alkali earth metal based on the weight of the ethylene-vinyl alcohol copolymer composition pellet, characterized in that the pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellet have the boron compound content of not higher than 1.7 ppm on a boron basis based on the weight of the ethylene-vinyl alcohol copolymer composition pellet, wherein the boron compound content of the pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellet is determined by immersing 4 g of the ethylene-vinyl alcohol copolymer composition pellet in 20 mL of methanol at 30 °C in a stationary state for 6 hours, and dividing the boron compound content dissolved in the solution of the methanol by the weight of the ethylene-vinyl alcohol copolymer composition pellet, and that the weight ratio surface boron compound content/overall boron compound content between the boron compound content of the pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellet on a boron basis and the overall boron compound content of the ethylene-vinyl alcohol copolymer composition pellet on a boron basis is not higher than 1.38 × 10 -2. an ethylene-vinyl alcohol copolymer; a boron compound; and at least one component selected from the group consisting of: 0.0001 to 0.05 wt.% of a cinnamic acid component based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 10 to 500 ppm of an alkali metal based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 0.001 to 0.06 wt.% of a conjugated polyene based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 0.001 to 0.15 wt.% of a lubricant based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; and 1 to 100 ppm of an alkali earth metal based on the weight of the ethylene-vinyl alcohol copolymer composition pellet, 0.0001 to 0.05 wt.% of a cinnamic acid component based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 10 to 500 ppm of an alkali metal based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 0.001 to 0.06 wt.% of a conjugated polyene based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; 0.001 to 0.15 wt.% of a lubricant based on the weight of the ethylene-vinyl alcohol copolymer composition pellet; and 1 to 100 ppm of an alkali earth metal based on the weight of the ethylene-vinyl alcohol copolymer composition pellet, characterized in that the pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellet have the boron compound content of not higher than 1.7 ppm on a boron basis based on the weight of the ethylene-vinyl alcohol copolymer composition pellet, wherein the boron compound content of the pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellet is determined by immersing 4 g of the ethylene-vinyl alcohol copolymer composition pellet in 20 mL of methanol at 30 °C in a stationary state for 6 hours, and dividing the boron compound content dissolved in the solution of the methanol by the weight of the ethylene-vinyl alcohol copolymer composition pellet, and that the weight ratio surface boron compound content/overall boron compound content between the boron compound content of the pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellet on a boron basis and the overall boron compound content of the ethylene-vinyl alcohol copolymer composition pellet on a boron basis is not higher than 1.38 × 10 -2.