The back of this product is scientifically designed, whoever wears it will look younger and slimmer. It canhelps girls be back straight at anytime. No matter where you are, you are definitely an elegant girl with outstanding royal temperament and charming breasts. Also it can be a perfect gift for your wife or girl friend. The thing you need if you have formed the habit of hunchback. The product can make the shoulders back, chest have direct effect, confident woman body shape. Simple design, wearing similar. Adjustable belt,easy to operate. Lightweight design, solve the traditional straightening with heavy shortcomings. Specifications: Material: Polyester Size:L, M Color: White, Black Suitable The Crowd: Men & Women Notices: 1.Please adjust the belt as your size before wearing. 2. The product is not a medical device, can not be used for disease treatment. 3. Due to the back of the devil sticky design,sweateris not suitable for wear. 4. If appear discomfort (skin itching discomfort), please stop using. 5. Skin eczema, the injured do not use. 6. When you go to sleep, please remove it. Package Included: 1 * Chest Belt About Dropshipping 1.we will DO NOT put any invoices, QR codes 2.Within 10 days you can initiate the return after receiving the product 3.it would take 7 day to complete the