waist support, sitting for a long time, no tired cushion, office children student correction anti-humpback beauty hip pad lumbar support chair waist support seat cushions

[high grade gray] professional waist support-hollow design-upgraded breathable [stain-resistant black] professional waist support-hollow design-upgraded breathable [gemstone green] professional waist support-hollow design-upgraded breathable [deep sea blue] professional waist support-hollow design-upgraded breathable [advanced red] professional waist support-hollow design-upgraded breathable [cherry blossom powder] professional waist support-hollow design-upgrade breathable

large cushion [36*30 * 34cm]] small size cushion [32*29 * 29cm]]