Features: Adopting superb material, which is breathable, durable and comfy to wear Ergonomics other way make stronger sort design will get greater effect, detachable and adjustable shoulder pad will protect your shoulder or again from unfavourable cased via friction Providing assist for your shoulders and back, that will assist to stop humpback and curvature of the spine, right poor postures to maintain a correct sitting, standing, walking posture Help to stability strain on the shoulder, back, waist, abdomen, relieve muscle fatigue, and preserve the waist, back and backbone Can help to prevention of myopia occurred, it will gently pull again the shoulders, the neck and head are straightened while correcting the spine, this can step by step repair an inexpensive distance with the eyes and correct pseudo-myopia Strong hook and loop on the waist belt is durable and easy to wear and take off Wear Steps: 1 Fasten the waist belt; 2 The shoulder strap via from the armpit to the shoulder; three Cross the shoulder strap and across below the ribs; four Stick the shoulder strap on the waist belt Kindly Notes: 1 Please use completely satisfied strength to tight while sporting 2 Please unfasten the belt for approximately 10 minutes each 2 hours utilizing 3 Please hand wash, don't bleach, wring and dry naturally four Suggest using age must above 5 years old