In one aspect, the present invention is directed to a pad (10) comprising: a spongy layer (26), providing an activity； and a gluey and perforated layer (24), glued to the spongy layer (26), thereby allowing the spongy layer (26) to be in contact with a user's skin through the perforations of the gluey-perforated layer (24)； wherein the area of said perforations in said gluey and perforated layer (24) is greater than the non-perforated area thereof； thereby providing a skin-attachable pad that provides the activity.
