This easy-to-use seat belt with 24 magnets helps those who have degenerative pain and back problems in two ways: the belt stabilizes the lumbar spine and the magnets relieve back pain. The back belt is also good to wear during stressful physical activity. The belt is suitable for a waist circumference of 85-100 cm.- Anti-inflammatory- Improves circulation- Relieves rheumatic painSpecifications:Material: Fabric, lycra, magnetsDimensions: 20 x 110 cmFits waist circumference: 85-100 cmS: Size length 96.5cm; Waist guard width 18cm; Suitable for waist 60-68cm; Suitable for waist circumference (feet) 1.8-2.0M: Size length 106.5cm; Waist guard width 18cm; Suitable for waist 70-82cm; Suitable for waist circumference (feet) 2.1-2.450: The size is 116.5cm long; Waist guard width 18cm; Suitable for waist circumference of 84-92cm; Suitable for waist circumference (feet) 2.5-2.740: Length: 126.5cm; Waist width of 18cm is suitable for waist circumference of 94-102cm; Suitable for waist circumference (feet) 2.8-3.1