US D636882 S1
The broken line showing of a covering material is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
The covering material can in particular embodiments be a transdermal therapeutic system (e.g. transdermal drug delivery system), comprising e.g. a face (face sheet/top layer) suitably with imprint including a line, which can be continuous or dashed, which imprint can be suitably provided e.g. by a removable film.