1、Breathable fabric: Made of mesh nylon fabric, comfortable skin-friendly, breathable and not stuffy. 2、Steel bar: Built-in 5 heel steel bars, provide enough support for the waist, anti-C design, better fit the waist, and you will not feel uncomfortable. 3、Fixed structure: Two-way tension fixation, uniform load on the waist, relieve waist fatigue, use V-shaped elastic band to give sufficient pressure to the waist, protect the waist in all directions. 4、Adjustable: Fixed with hook and loop fastener, easy to operate and easy to disassemble. 5、Full protection: Support waist and keep warm, protect the waist in all directions, assist the lumbar muscles, relieve lumbar discomfort, and are suitable for people with back pain and long-term sedentary. Product name: waist support Material: Nylon + Steel Bar Function: Support and keep warm the waist, protect the waist in all directions, assist the lumbar muscles and relieve lumbar discomfort Number of steel bars: 5 Description of fixation: Two-way tension fixation makes the waist load uniform and relieves waist fatigue Applicable people: long-term sedentary people 1 x Lumbar Support Belt