Thank you for viewing! Slim Feather Slim Feather Upper Arm Compression Inner M size This is an authentic product purchased from the official website. Purchase date: July 2025 Brand new, unused, unopened Color: True Black, Black Size: M Sleeve length: 24-30cm Shoulder width: 36-43cm Style up with this upper arm compression inner that has proven calorie-burning effects! The compression support tightens sagging upper arms. In addition to correcting slouching posture, the uneven texture on the back of the fabric provides swelling care and warmth♪ This is a popular product that is talked about on YouTube, TikTok, and Instagram. Recommended for those who want to correct rounded shoulders and posture, and those who want to easily shape up just by wearing it. No comments, instant purchase OK. Thank you very much.