Size L I tried it on over my clothes once at home. I am selling it because the size doesn't fit. Shipped without a box Waist: 88-98cm "An all-rounder with 3 functions in 1: waist/pelvis/training" Our pelvic support chairs and neck support series became very popular as soon as they were released. However, we are not complacent; we are still considering what can further reduce the burden on the modern person's body [waist problems, pelvic misalignment, poor posture...]. "Amazing support that surpasses ordinary waist belts!" Are you suffering from the lack of support from conventional waist belts? Are you dissatisfied with the support? You don't have to endure the pain anymore! This waist belt uses unique technology with adjustable belts, 10 pulleys, adjustment straps, and adjustment strings (cords) to finely control the tightness around your waist. The posture supporter tightens the pelvis, and you can stretch yourself to correct your pelvic alignment. When caring for your pelvis, simply do the "beautiful posture stretch" by marching in place for 10 seconds to care for pelvic misalignment and help fix it in the correct position. "Also for core training when wrapped around the abdomen" Silicone non-slip material is used on the inside of the belt to solve the problem of "the belt loosening or shifting during training." You can also control the strength to your liking. "Perfect for gifts!" The belt not only supports the waist but also easily cares for the pelvis, improves posture, increases intra-abdominal pressure, and has a draw-in training effect, making it an all-rounder with 3 functions in 1.