The shoulder pads are made with an anti-microbial memory foam that conforms to the shoulders for a comfortable fit that makes even heavy instruments feel light. The pads also help to wick moisture away for additional comfort. The straps connect to the instrument with our unique loop connection system for added security. Fits most accordions Materials: memory foam backed with webbing Webbing loop attachments at the top Two Neo-Loops at the bottom Adjustable length: 33� - 51�