Felissimo: Just by wearing it, your posture is perfect! Bolero Yoga-Feel Band. Although unused, it has been stored at home, so please consider purchasing if you are not concerned about minor details. Will be shipped in simple packaging. From Felissimo: ■ Material / 100% polyester *Machine washable ■ Size / Total length approx. 123cm (fits M-L size) * Sweat-absorbent and quick-drying * Antibacterial and deodorizing * Due to the nature of the material, it stretches, so there may be slight variations in size.