Adjustable air seat cushion KN-014

Making desired left and right equilibrium adjustments to your buttock in real-time for comforts, promoting good sitting posture, and maintaining a healthy spine and hipbones.
Automatically fill-up or release airaccording to the physical effects of air pressure ━ an non-electric poweredenvironmental and healthy design with the characteristics of being difficult tobe deformed and the supporting point of acting is with excellent elasticity.