Ltpgtltstronggtsit down and relax with the 66fit curved back cushionltstronggtltpgtr ltpgtthe 66fit back cushion is a supportive pad which has been specifically shaped to fit behind your lower back when sittingltpgtr ltpgtmade from moulded pu foam our curved back cushion offers unrivalled comfort and support correcting posture and promoting the spines natural alignment when sitting down used correctly the back curve cushion can help to relieve pain and discomfo