White & Black Checkered Short Sleeve Shirt

White w/black lines forming square pattern. Round open neck, short sleeves, slightly longer back hem. RN# 81913. Shell: 100% polyester, Combo: 100% polyester. Brand/size tag was removed. Likely fits about S or M; please see listed measurements. Approx laid-flat meas: Length: 23.5” Shoulders: 14.25” Underarms: 18.3” Hem: 20.5” Sleeves: 8.25” Previously used but good condition. No rips/stains/holes.