HIGH ELASTIC: Not bound, the wide shoulder straps can improve supernumerary breast and gather chest, giving your bra an extra uplift COMFORTABLE WEARING: thin and lightweight breathable and sweat-absorption, special structure design and the adjustable buckles perfect to be worn underneath your clothes POSTURE CORRECTOR: The personal posture corrector brings your shoulders back into the right position and improve for a better posture, while relieving strain on your back and neck,help form the correct seating posture, protect eyesight and prevent short-sightedness CRISS-CROSS DESIGN OF CHEST: help support aligning by gently pulling the shoulders to Force the shoulder to be extended fully and also provide support for your breast for shaping more sexy chest,decrease your shoulder and waist pain and improve humpback to shape a nice-looking body figure SUITABLE FOR: workers, teenagers, housewife and other people who have bad seating walking habits,a good gift for your wife or girlfriend