L size, brand new and unopened. I purchased it but never opened it and have been storing it at home. Instant purchase is welcome. Amazing hold with 10 pulleys! Pelvic correction belt "Kotsuban Seitai Kashaan" [Points of Kotsuban Seitai Kashaan] Strongly supports the tightening force just by lightly pulling the string! Tightening with strong strings! Mesh belt that is breathable and good ventilation 《Recommended for people like this!》 ● Those who have a lot of strain on their lower back at work ● Those whose posture collapses easily ● Those who are anxious when holding children or heavy objects ● Those who find long drives difficult ● Those who feel pain when swinging a golf club Are the pelvis related to these problems? It may seem that way, but it is no exaggeration to say that the pelvis controls everything in the body. It's easy to imagine if you say that the human body cannot be formed without bones. Health does not begin if these bones are not in the correct place. Therefore, let's continue pelvic care using this belt. 《Wearing guide》 Pelvic circumference size M size: 60-83 cm L size: 84-96 cm XL size: 97-115 cm