NEW! 2018 AcoustaGrip 'Principal Cellist' Charcoal Cello Pad AcoustaGrip CELLO Pads offer wonderful comfort and beautiful design. They protect against sores, marks and chest pain while providing a secure hold on your instrument. AcoustaGrip CELLO Pads are flexible: they fit full 4/4, 3/4, 1/2 and even some smaller size cellos. AcoustaGrip CELLO Pads attaches with air to the back of the instrument. It comes on and off easily. AcoustaGrip CELLO Pads protect the cello from perspiration damage and slipping all while allowing you to feel the natural vibrations of your instrument. AcoustaGrip CELLO Pads come in different styles and colors and fit easily in cases.