Just a classic. It is safe. Width of 12 mm is appropriate for No. 1 mall. It is as the name for the wall surface, it does not turn to Wypro that is stepped on the floor (the base material of the foam material is torn). So, on the floor, a yellow box "Magic sticker (for floor)" (cloth base sticky). In case of considering peeling off by rental property or temporary construction, "Mall tape (double-sided adhesive tape) peelable type" of the future industry. Although the mall with double-sided tape is usually easy, there are also cases where it is used as above, or it is stuck in two rows on the duct mall, and it is being used continuously. ☆ 5 in Showa Retro style logo and package design (I think it is not changed).