Kenneth Cole Reaction black wide stretchy elastic belt with silver buckle, S/M

Kenneth Cole Reaction black wide stretchy elastic belt with silver buckle. Size small or medium? See measurements below. Good preloved condition with a little bit of wear as shown. Cinches dresses and long sweaters perfectly and gives a flattering 80s/90s silhouette. Approximate measurements: 2 1/4 inches wide 33 inches total circumference with stretch before choosing a notch