The head pillow curve natural fit head neck curvature and relieves relieve fatigue of your spine,Help support the weight of the head and share the pressure on the cervical spine, With 9cm Lifting handrails. High-efficiency waterproof, oil-proof, dirt-resistant, thick and wear-resistant, breathable and comfortable. Soft technology package, skin-friendly and delicate hand feel, breathable and not stuffy. Thicken explosion-proof chassis, thickened steel chassis, explosion-proof effect, realize happy, lifting, etc., each gas pressure is a national certification brand, from the source to ensure safety. Conversion of arm curve handrails, double solid wood handrails, wear- resistant, hierarchy, in accordance with the arc of the arm curve, effectively relieve the fatigue of the arm and wrist. High-density sponge fill, bottom arrangement spring, cushion is filled by high-density sponge, the bottom is set, so that the seat cushion is rapidly high and the seat pack anti-lowering is greatly increased, fast backplane!