ITEM NAME:Adjustable Violin Shoulder Pad Foam Padding for 3/4 4/4 Violin Practicers Description: Use for 3/4,4/4 violin,and 13'' ,14'',15'',15 1/2''viola Cushioned foam pad reduces tension on shoulder. Rubber feet provide protection for your violin and viola Materialï ¼Å¡Aluminium Aloy+Rubber+Sponge Sizeï ¼Å¡20 x 7 x 4cm Specification: How to use 1,Adjust size,make longer or shorter, 100 % fit in your violin. 2,Push the lock, turn over, lock it. 3,Adjust and Find your comfortable position. 4,Turn the holder adjust the heights(make the holder lower is more comfortableï ¼â€° Package Includes: 1 piece violin shoulder rest SKU: DMO0015817361002264.Use for 3/4,4/4 violin,and 13" ,14",15",15 1/2"viola. Rubber feet provide protection for your violin and viola. 1,Adjust size,make longer or shorter, 100 % fit in your violin. 1 piece violin shoulder rest.