NWOT. There is no size listed but I estimate it to be a small - Medium.  This was a return so it was tried on but not worn. Still in New condition.

The Tailong Men Body Shaper Slimming Vest Tank Top in black is designed for women looking for a comfortable and effective shapewear option. This compression garment targets the body area to provide slimming effects, helping to smooth and shape the figure. With sizes ranging from small to medium, this shapewear is suitable for regular sizing and offers tummy control features for a flattering silhouette. Perfect for wearing under various types of clothing to achieve a more streamlined and polished look.