1.Matrix from the pressure column:Strong vertical support, can play a role in protecting the lumbar spine against gravity oppression.
2.Disposable deflated bladder molding technology:Anti-C in accordance with the body's natural curvature arc great efforts of traction.3. High-quality instrument air pump, inflatable fast and easy, precise pressure display, at a glance.
4.100% cotton lining waist, wear comfortable sweat, and can reduce sensitive skin allergies. 5.Two-way adjustable velcro connection, easy operation, suitable for different people use waist.