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STURDY and Durable:Cosy Life lumbar stretcher is made of ABS polyurethane and removable NBR foam that releases back tension from sitting, exercise and living.It is sturdy with heavy load-bearing, normally withstanding weight of up to 220lbs. It is durable for long-time use and won’t easily get out of shape.
ADJUSTABLE STRETCH LEVEL:Cosy Life lower back strecher has prismatic knob to help you choose the most appropriate and comfortable height in terms of the difference of the human waist curve and ergonomics