Differ from other brands, our leather car filler has no need to add the adhesive to fix on You do not need to worry about adhesive things will break your seat you have problems on losing things in your gaps, this organizer is a good for you This seat filler fits the gaps It will not shake when you brake suddenly The car filler catches loose items that often fall between the gaps like change, phones, and glasses PU-leather that looks very luxury and everywhere you touch are all soft Instead of, soft PU-leather will not break your seat leather