hi dear, the material is polyester, acrylic, and spandex.
Do the sizes run true to size or are they smaller
Generally our clothes size will be smaller than the US size, please refer our size chart. And most of our clothes have a lot stretch.
Different styles have different sizes, the size chart for reference only, it is not 100% accurate.
Size chart detail: https://www.girlmerry.com/size-chart
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