BLACK TANK TOP V-NECK SIZE SMALL WOMEN POLY/SPANDEX? RACERBACK

This is a v-neck black tank top; with racerback armholes. My sister removed the size tag; she said it is a size Small; don't know brand. It feels like a cotton blend material perhaps, with some spandex. Pre-owned in good condition . Features: Breathable, Lightweight, Packable, Stretch, Unlined Garment Care: Machine Washable