Thank you for viewing! ♡ Instant purchase is welcome ^ ^ It has been opened for inspection and photography, but it is unused, so please rest assured ♡ [Built-in 3 Bones to Support Correct Posture] Three reinforced bones are built into the back to effectively improve slouching and rounded shoulders. It strongly supports the way to stretch the shoulder blades and back muscles, cultivating the habit of correct posture. It saves the trouble of going to stretch or chiropractic and achieves an ideal beautiful posture. [Equipped with 3D Elastic Bones for Strong Support] 3D three-dimensional elastic bones naturally fit the back line. Equipped with a cross-support belt with the function of expanding the chest and drawing the shoulder blades together. The highly elastic belt allows you to freely adjust the correction force according to your body shape and physical condition. [Comfortable to Wear with High-Quality Breathable Material] Uses a material with a good touch and excellent breathability. Equipped with adjustable pads on the sides for a comfortable fit. It is not noticeable even when worn under clothing. Suitable for long hours of desk work and housework. [Unisex, Available in 3 Sizes] Suitable for a wide range of body types, regardless of gender, from adults to children. The Velcro type allows for free adjustment of the correction strength. Size can be adjusted according to changes in body shape, allowing for comfortable wear for long periods. [Design that Works in Various Scenes] The ergonomic 3D three-dimensional structure supports a natural and correct posture. You can develop good posture habits in various situations such as desk work, smartphone operation, and driving. Can be worn comfortably all year round. S71(01195)