Features: 84% nylon 16% spandex, the product cup has been enlarged, please choose your own suitable bra, the product can be adjusted in many places, please be patient to adjust to the most comfortable position. Adjustable straps or crossed straps, the length of the straps can be freely adjusted. Low back shapewear with a deep plunge: With an attractive V-neckline and backless design, this steel-free shapewear offers more support and with an underwired bra, the shapewear fits perfectly with a deep plunge and low back. If underwired bras do not provide more support, you can use shoulder strap crossover straps for good support. We recommend using shoulder strap crossover straps for A and B cups. Shapewear for tummy control: Stretchy fabric that is easy to put on. Seamless design for invisibility under any type of clothing. Open crotch design for easy bathroom use. Silicone straps hold the garment in place. Has a pair of extra long straps for better adjustment and fit. Instructions for use: Please wash your underwear before wearing it for the first time. Each person has different requirements for shaping effect. If you feel uncomfortable, please take it off and adjust it before wearing it, or ask your lover or friend to adjust it for you until you feel most comfortable. If it still doesn't work, please change the size of the product and choose the size that best suits you.