Outside Fabric: 95% Cotton + 5% Spandex.
Inside Fabric: 100% Polyester.
Please choose size according to your waist girth.
This is drawstring elastic waist so we give suitable waist range.
The size chart is for reference only.
Due to different measure,may exsit 2-4 cm error,should be acceptable.
In order to choose correct size,please contact our customer service.
Our professinal customer service offers you suitable size advice.