Features1Chest support design, U?shaped design so as to achieve the chest support to prevent the effect of sagging chest; Receiving accessory breast under armpit pressure weaving, can better wrap side accessory breast. 2Reject humpback orthotics and focusing the pressure on the back, naturally stretching the shoulder blades backward, opening the chest and guiding the curly spine into the correct position. 3Special shape design of the hollow shoulder blade part, no tight feeling makes the movement free, breathable and tight. 4By segmenting the pressure of the arms and applying partial pressure to the skin. 5Concave?convex braid three?dimensional pressure lines pressure smoothing away excess fat on the back.SpecificationCondition: 100% Brand NewItem Type: Arm Slimming ShaperMaterial: PolyurethaneM: 79-97cm / 31.1-38.2in L: 86-110cm / 33.9-43.3in The trapezius muscle at the back of the scapula is the largest rhomboid muscle in the body, covering the neck, shoulders and the entire back.In daily life, people who bear a great burden tend to feel tired easily. People with hunchback tend to place the center of gravity of the head in the front, which also causes a greater burden on the shoulders and neck, easily causing chronic shoulder soreness.Package List1 x Arm Slimming Shaper