What is claimed is: 1. A disposable disposable diaper comprising: a longitudinal direction and a lateral direction crossing the longitudinal direction two sheets and a plurality of elastic members sandwiched between the two sheets and extending along the lateral direction Two bonded elastic members joined to at least one of the two sheets from one end to the other end in the lateral direction of the sheet as the elastic member Wherein the first elastic member and the second elastic elastic member are provided between the two joining elastic members and joined to at least one of the two sheets at the one end portion and the other end portion, And a non-bonded elastic member having a non-bonded portion not joined to any of the two sheets.縦方向と、前記縦方向と交差する横方向と、を有し、二つのシートと、前記二つのシートの間に挟まれ、かつ、前記横方向に沿った複数の弾性部材と、を備える使い捨て着用物品であって、前記弾性部材として、前記二つのシートのうちの少なくとも一方に前記シートの前記横方向における一端部から他端部に亘って接合された二つの接合弾性部材と、前記縦方向において前記二つの接合弾性部材の間に設けられ、かつ、前記二つのシートのうちの少なくとも一方に前記一端部及び前記他端部において接合され、前記一端部と前記他端部との間に前記二つのシートのいずれにも接合しない非接合部を有する非接合弾性部材と、を有することを特徴とする。