Lumbar spine stretching bridge material: ABS engineering plastics Function: Lumbar spine stretching and so on want a healthy curve, why can't you always do it? Long-term sitting, bad sitting posture, heavy body burden, try the lumbar spine stretching artifact❶Magnet massage point 10 There are 8 magnetic therapy points and 88 acupuncture points. Fits the waist perfectly, relieves the pressure on the lumbar spine and prevents lumbar spine diseases. ❷NBR buffer strip material is safe and environmentally friendly, with high elasticity and no deformation, soft cushioning protects the waist from injury ❸Adjustable gear 03 Four adjustable gears are widely suitable for most people. Color random 💰13*‼ ️After placing the order, you cannot cancel the order or change the color for any reason. You need to pick up the goods in Wangfujing within four weeks after receiving the notice of arrival (if you can't come, please notify me +16479781188 ) Please agree to the above conditions before placing the order , thank you 🙏‼ ️*