No Batteries needed

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use as a reading pillow with your favorite book or improve your body posture while sleeping - lay against our back pillow to support and keep your spine straight and relieve pressure off your back and neck

Anti-skidding keeps stable

NEW Back Posture Corrector Belt Adjustable Support Unisex Humpback Prevention Sitting Posture Correction Breathable Body Shape, Black on_auction No Batteries neededNEW Back Posture Corrector Belt Adjustable Support Unisex Humpback Prevention Sitting Posture Correction Breathable Body Shape, Black Use Shoulder Effect Bone care Material Composite material