High-elastic and permeability good. 4 pieces PP strips inside. it can enhance support, perfect to support, slim, shape. Relief back pain and steed up recovery. It can relieve back pain and steed up lumbaginous recovery. Help restore and balance the function of the waist, to disease prevention, medical treatment purpose. cts from injuries and helps reduce lower back pain and other discomfort. Material: Neoprene, elastic fabric, pp bars, adjustable straps Size: S 100cm suits waist 50-90cm M 100cm suits waist 70-95cm L 105cm suits waist 80-100cm XL 110cm suits waist 90-106cm ( there is 2-3cm error by hand measurements.) Usage: 1, When prostration, put the on the waist, stick to the magic stick close to the waist, adjust the straps on both sides to comfortable position. 2, Stand straightly as far as possible, put the after the waist, stick to the magic stick close to the waist, adjust the straps on both sides to comfortable position. 3, When fixing, be sure to ensure that are firm. 4. Please adjust the using time according to patient's symptoms. The waist support possesses the fabric with good elasticity. the waist shape is in line with the body's natural curvature with the metal strips, and the elastic band strengthens the fixed curve close to the body. This product can alleviate fatigue, reduce lower back pain, cure lumbar disc protrusion, lumbar muscle strain. It can avoid damaging the waist due to severe movement. for low back pain patients with a variety of groups, the crowd has long been engaged in manual work , sports fitness groups. It's the best product to avoid being wounded and being welcomed very much by the customers. Package included:1 x back corrector belt hint: 1. Due to different monitors and different photos, there may be slight color difference between the actual product and the photo. Please understand, we guarantee that the style is thHigh-elastic and permeability good. It can relieve back pain and steed up lumbaginous recovery. Help restore and balance the function of the waist, to disease prevention, medical treatment purpose. Relief back pain and steed up recovery. cts from injuries and helps reduce lower back pain and other discomfort. 4 pieces PP strips inside. it can enhance support, perfect to support, slim, shape.