This is the Masculine series from Flat Rebirth. Masculine ver. 2 Color: Black Size: 3S Retail Price: 9820 yen User Reference: Underbust 70 or less, B to C cup *For detailed sizing, please refer to the size chart on the Flat Rebirth official website. Used approximately 15 times. Among the products I've used from Roses Japan, Fine Blue, and Flat Rebirth, in my subjective opinion, this Flat Rebirth Masculine was the easiest to put on and take off, and the way it flattened my chest was the best for me. Flat Rebirth Masculine Asian Drug Roses Japan FINEBLUE Chest Binder FTM FTX Male Cosplay Chest Flattening Pass Goods