factory supply neoprene magnetic waist support 1. give a good protect for ... 2. material: 3 mm neoprene 3. OEM Features: Description: Magnetic Waist supportsMaterial: Neoprene, Nylon, Elastic, MagnetSize: S,M,LFeature ... popular back brace, the Back Support provides a maximum level of support. It features a thermal neoprene back pane ... allow for a snug fit. factory supply neoprene magnetic waist support