PTPFit Massage Therapy Firm - LARGE | FIRMDEEP TISSUE MASSAGE Made from high density EVA, the Large PTP Therapy Roller is an effective piece of equipment to use at home or at the gym whenever you need to relieve muscle tightness and aches on your own. The special cone shaped surface allows you to deeply penetrate into soft tissues, breaking up scar tissue and fascial adhesions. The Large Massage Therapy Roller offers the same level of compression and trigger pointing as the Mini PTP Therapy