SitSmart Relief Series | Posture Plus EVA | Waterproof Seat | for 100 to 180 lbs | | Users recommend it for travel/outdoors /any chair /great for short car trips and sitting periods

Relieve back pain with better posture. BackJoy SitSmart is a safe and effective way to relieve lower back pain and improve posture. SitSmart automatically positions your body in correct posture for all-day sitting comfort and posture support. This simple posture corrector works in any type of seat, from office chair to car seats, even hard bleachers. Measures 13” x 15.5”. SITSMART POSTURE PLUS / Comfortable waterproof covering for indoor or outdoor use.