Posture support belt is unisex and is very easy to use. Simply, start by wearing it for 20-30 minutes and gradually increase to 1 hour a day. It would make your posture perfect and would then only have to be worn occasionally. For those of you having an upright straight posture, we strongly recommend that you also use it sometimes so you never have to face shoulder, neck and back pain. Shoulder Support Brace Pull back your Upper Back to the right position. And then improve your whole body posture during work or life. This lightweight back support should be worn daily of days wear it for 10-20 minutes only then add 10 minutes every day. Your back and shoulders will slowly adjust and you will build muscle memory for the right posture. Feature: Easily get perfect confident posture � start standing, sitting much straighter. Align your shoulders, spine and upper back. Wear all day to retrain your posture- it�s nearly invisible when worn under a shirt. Improve posture & reduce slouching immediately with easily adjustable dual strap design. Lightweight padded neoprene corrector can be worn comfortably under or over the clothing. Eliminates neck and back discomfort from sitting with rounded shoulders in front of the computer. Specification: Material: Neoprene color: Black Size: Fits chests from 28�� to 44�� Packing include: 1x Piece Adjustable Half Back Posture Corrector