Product information:
Applicable people: Adults
Specifications: M [suitable for waist circumference within 2.5 feet],L [suitable for waist circumference 86.67 cm-106.67cm],XL [suitable for waist circumference 110.00 cm-123.33cm]]
Protective part: Waist
Category: lumbar support
Color: A- style black [V-shaped support version in the middle of the back]; Model B in black [0-shaped support version in the middle of the back]]
Note:1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement. 2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service. 3.As you know, the different computers display colors differently, the color of the actual item may vary slightly from the following images. 
