The complete endpin solution which works like magic! Using an adhesive-like surface, the Pinstop will stick reliably to almost any floor--vinyl, tile, wood, stone, finished concrete, carpet--even grass! The innovative adhesive cleans easily with soap and water and stays super sticky time after time. It's small (2" x 3"), lightweight and conveniently fits into a pocket or music folder. It's made of recycled plastic and fits any cello or double bass.