Foam particle moulded article, and production method therefor

An expanded beads molded article, comprising a block copolymer of a polyethylene block and an ethylene-α-olefin copolymer block, having a density of 222 kg/m3 or more and 500 kg/m3 or less and a tensile strength of 0.5 MPa or more, and having an average cell diameter (D1) of 110 μm or more and 300 μm or less,

• wherein a thickness (T2) of the cell wall formed through fusion bonding of the expanded beads in the expanded beads molded article is 20 μm or more and 100 μm or less, and the ratio (T2/T1) of the thickness (T2) of the cell wall formed through fusion bonding of the expanded beads to the average cell wall thickness (T1) of the expanded beads molded article is 2 or more and 6 or less.