Office casual 12-piece set, size L I think you can wear these on and off duty. Black Y-shirt is 3L. White shirt in photo 2 There is a faint red pen line on the lower right front. Photo 20 Shirt in photo 13 The plating on the buttons has come off. I think it would be good to change the buttons on the sleeves. Uniqlo, GU, earth music & ecology, etc. I will sell them at a low price. Thank you for your purchase if you understand that these are used items.