Features:
Made of fine quality ABS plastic, environmentally friendly, tough and unbreakable, pressure resistant.
For laying and sitting.
Let the waist return to normal 26 degree physiological curve.
It can be used while traveling, at home or in the office.

Specifications:
Material: ABS
Gear: 3 gears
Appearance shape: rectangular
Power supply method: No need
Applicable parts: waist, hips, back
Color: blue 
Size: 38.5*25.5*11cm/15.16*10.04*4.33inches        
Function: correcting spine, improving hunchback / waist acid

Instructions:
1. Put the spinal correction plate on the bed or stall, adjust the appropriate tensile strength.
2. Place the spinal correction plate behind the buttocks, and the rear Part of the product faces the buttocks.
3. Lie down slowly.
4. Correct posture: sideways and arm support.

Package Contents:
1 * Lumbar Relief Back Stretcher