To provide strip sheets capable of readily being assembled to form a ring structure by heating after bending or folding and, at the same time, readily disjointing the ring structure which are particularly suitable for wash tags to be used in cleaning.
A method for assembling a strip sheet 1 having a substrate sheet 2 and a hot-melt adhesive layer 3 formed on the entire surface or part of the surface of at least one side of the substrate sheet 2 which comprises bending or folding the substrate sheet 2 such that the side of the substrate sheet 2 having the hot-melt adhesive layer 3 comes to the inside to contact the bent or folded sides of the substrate sheet 2 having the hot-melt layer with each other including the hot-melt layer 3 and sealing the bent or folded sides through the hot-melt layer 3 by heating according to a direct heating method or an indirect heating method to form a ring structure.
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