PROBLEM TO BE SOLVED: To provide a flexible hollow structure which is excellent in adhesiveness at the time of sticking and moisture permeability, and can be applied to an article or the like which can reduce the residual adhesive remaining on the skin and the peeling of the stratum corneum at the time of peeling. Offer. SOLUTION: When a plurality of hollow cell portions having an opening at one end are provided, and the area of a cross section of the hollow cell portion in the vicinity of the opening and substantially parallel to the opening is X (mm 2 ). A flexible hollow structure having an opening area of 0.2X or more and 0.7X or less at the opening. [Selection diagram] FIG. 3A【課題】貼付時の密着性、及び水分の透過性に優れ、さらに、剥離時に皮膚に粘着剤が残ること及び角質層が剥離することを低減できる物品などに適用可能な可撓性中空構造体の提供。【解決手段】一端が開口した中空セル部を複数有し、前記中空セル部における、前記開口の近傍であって前記開口と略平行に位置する断面の面積をX(mm2)としたとき、前記開口における開口面積が0.2X以上0.7X以下である可撓性中空構造体。【選択図】図3A