Description: Vibration Reminder: Press and hold for 1.5 seconds to enter standby mode. When the hunchback is bent over 25 Smart Posture Corrector will vibrate immediately to remind you. 8 Shape Design: The back posture corrector adopts a simple "8" shape design which can be freely adjusted according to the user's back size and is comfortable and not restrained. Lightweight & Invisible: The Back Support Straightener is thin and invisible breathable and comfortable to wear without being noticeable. Just put on sun protection clothing and you can wear it out easily. Develop Good Habits: This Adjustable Upper Back Brace can help you correct scientifically develop body memory correct bad posture cultivate self-correcting habits and ensure scientific body shape. Wide Application: The back posture brace is suitable for teens and adults you can give this posture brace as a holiday or birthday gift to your family friends and colleagues. Specification: Name: Breathable Posture Corrector Material: ABS nylon belt Color: pink Product size: as shown in the picture Product weight: 85g Notes: Due to the lighting effects and shooting angles the color of the item and that shown in the picture might have a nuance. Due to manual measurement there might be a tolerance in the product size. includes: Correction Belt *1