OPTP The Original McKenzie SuperRoll - USA-Made Low Back Lumbar Pillow for Office Chair Lumbar Support, Car Back Support Seat Cushions and Travel. The Preferred Lumbar Cushion by Physical Therapists.Brand: OPTP Color: Black, Gray Features: Back Pain Support: This low profile lumbar support helps treat and prevent low back pain by ensuring proper spine alignment and sitting posture. Low Profile Lumbar Support: As a back cushion for desk chair back support and lower back pillow, this sleek roll is superior to all others in design, comfort and quality. Versatile Chair Back Support: For lower back support for office chair use, in airplane seats, as a