NWT Harper Heritage Coral Button Tank Top Size S/M*

What’s for sale: NWT Harper Heritage Coral Button Tank Top Size S/M* Size Tag: S/M* Neck tag says small but inside tag near materials says medium! Measurements: Length - 12 inches Armpit to Armpit -18  inches Condition: Pre-owned and in good condition! Materials: 70 Cotton/30 Linen #20