Back & Lumbar Support Cushions Size Chart: S--- Waist circumference: 60-75cm / 23.6-29.5inch M--- Waist circumference: 75-90cm / 29.5-35.4inch L--- Waist circumference: 90-105cm / 35.4-41.3inch XL--- Waist circumference: 105-120cm / 41.3-47.2inch 2XL--- Waist circumference: 120-135cm / 47.2-53.1inch 3XL--- Waist circumference: 135-150cm / 53.1-59.0inch Product Description Name: Back Shoulder Posture Corrector Material: velvet suede plastic Color: Black Size: S, M, L, XL, 2XL, 3XL (Please Select) Suit for: Men, Women, Adults, Male, Female Applicable Scene:Habitual camel back, high and low shoulder, shoulder joint pain, arthritis, acromion joint loosening, clavicle fracture, clavicle dislocation, scapular fracture and so on. Please allow 1-2cm measuring deviation due to manual measurement Due to various monitors and lighting conditions, colors may be slightly different from listed pos. MULTI FUNCTION 1. Posture Correct Our posture corrector is made with humanized design, give you the pr compression to you back and waist which is so helpful to prevent humpback or posture correction, helping you stand taller and straighter. 2. Suitable For All Genders The whole family can benefit from this posture corrector that is fully adjustable and designed to fit all genders. Effectively get rid of shoulder, back, and neck pain from sprains, muscle spasms, and strains. 3. Body shaping - This back brace also can be used to shape your body freely according to your own conditions, which makes you look more slim, long time use even can lose your fat of abdomen, it is light weight and thin, Invisible can be worn as underwear. 4. High quality - Made of breathable velvet suede fabric with honeycomb holes design, more breathable, curved plastic back plate deign with good plasticity, perfect fit. Soft chest pad makes you more comfortable. Finger pull ring design, adjustable easy to wear. 5. Pulley design - Pulley design can easily fixed lumbar vertebra, quicker and effortless. lengthen design comprehensively correct and protect your spine, does not affect chest and abdominal breathing, no limiting to the motion of the shoulder and hands. Synchronous gear design makes your shoulders even by force. Cycle of usage: 1.The first week: Vertebral adaptation period, can not be too loose or too tight. 2.The second week: Adjust the tightness slightly, makes your spine get used to it. 3.The third week: Suggest wearing two hours every day! About the Product: 1. Posture Correct - Our posture corrector is made with humanized design, give you the pr compression to you back and waist which is so helpful to prevent humpback or posture correction, helping you stand taller and straighter. 2. Suitable For All Genders - The whole family can benefit from this posture corrector that is fully adjustable and designed to fit all genders. Effectively get rid of shoulder, back, and neck pain from sprains, muscle spasms, and strains. 3. Body shaping-This back brace also can be used to shape your body freely according to your own conditions, which makes you look more slim, long time use even can lose your fat of abdomen, it is light weight and thin, Invisible can be worn as underwear. 4. Made of breathable velvet suede fabric with honeycomb holes design, more breathable, curved plastic back plate deign with good plasticity, perfect fit. Soft chest pad makes you more comfortable. Finger pull ring design, adjustable easy to wear. 5. Pulley design can easily fixed lumbar vertebra, quicker and effortless. lengthen design comprehensively correct and protect your spine, does not affect chest and abdominal breathing, no limiting to the motion of the shoulder and hands. Synchronous gear design makes your shoulders even by force. Package included: 1 Piece * Posture Corrector Back Braces