For the ultimate in patient comfort and durability, look nowhere else. I believe this is a size 9 as the person this was for was 5ft6/5ft7 and the girth is 120cm so that should be a size 9. Check the sizing chart in the photos.
Care and Independence Glove Airflow Glove Sling Size 5
Glove Airflow Sling Size 7 Care & Independence medical sling carrier up to 200kg
Glove Airflow in-situ Sling Size 6 Care and Independence
Glove Airflow in-situ Sling Size 5 Care and Independence
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Glove Airflow in-situ Sling Size 4 Care and Independence