Posture correction and arm compression supporter with a stretch rib-knit design. - Color: Black - Material: Stretch material - Design: Rib-knit design - Application: Arm supporter Thank you for viewing. This is a posture correction and upper arm compression shaper. It has been worn about 10 times, so there is a feeling of use, but there is no stretching or sagging, and it provides firm compression. This is a two-in-one product that helps with both posture correction and upper arm slimming. #UpperArmSlimming #CompressionSupporter #WearableShaper #PostureCorrection