Features: 1. 100% brand new and super high quality. 2. Narrow front and wide back design, in line with ergonomic principles. 3. 4 steel plates, shaped and supported according to the waist itself. 4. Double V-shaped compression design, all-round compression and fixation of the lumbar spine. 5. The waist protector has built-in 20 magnets, and the corresponding acupoints are matched with the warm lattice to resist cold and keep warm. Specification: Material: SBR, magnet, paste cloth Quantity:1PC Color:As the picture show Size:S,L,M,XL(1inch = 2.54cm) Applicable people: waist injury, lumbar muscle strain Product features: support decompression, correct posture, magnetic therapy care, comfortable and breathable Package includes: 1 x Magnetic Back Support Lumbar Brace Belt with 20 magnetic stones and 4 steel plate or 1 x Magnetic Back Support Lumbar Brace Belt with 20 magnetic stones Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.