Cat-back correction belt to support correct posture. [German Red Dot Award Winning Brand] DEZIYUA Cat Back [Industry's New Evolution! Improved Correction Power] Posture Supporter, Domestic Sales Limited Edition [Jointly Supervised by Japanese Physical Therapists] Breathable, Easy to Wear, Posture Belt, Skin-Friendly Material, Adjustable and Stretchable Belt, Unisex, Supports Back Muscles and Rounded Shoulders (Size M) I only tried it on once. I am selling it because they didn't use it. Thank you very much. I purchased it online for 4,000 yen.