Features： 1、Flip back posture correction, straighten both shoulders, straighten the spine, open the shoulders and chest out, cross the back and stretch to the sides, use the reactive force to open the shoulders. 2、Comfortable and movable shoulder pads can be freely adjusted to the shoulders or armpits, comfortable and not curb, without shoulder pressing. 3、Double pressure compression, large and small stickers on both sides of waist, you can adjust the intensities at will, reinforced support waist. 4、Adopts high quality fabric, soft and skin?friendly, breathable and durable for use. 5、Bright color, hook&loop design, exquisite workmanship, simple style, children will like it. Specification： Item Type: Children Back Correction Belt Material: Polyurethane + Polyester Color: Pink Features: Double keel, Y-shaped support, better correction of the back, open the shoulders and expand the chest, correct the posture, chin up and chest out Size Chart: Size Suitable Waistline Suitable HeightSuitable Weight (kg) S 40-50cm / 15.7-19.7in 100-120cm / 39.4-47.2in 12.5-20kg M 50-60cm / 19.7-23.6in 120-135cm / 47.2-53.1in 20-25kg L 60-70cm / 23.6-27.6in 130-145cm / 51.2-57.1in 25-32.5kg XL 70-80cm / 27.6-31.5in 140-160cm / 55.1-63in 32.5-40kg Package List： 1 x Back Correction Belt