It keeps your back in place and provides you with the support you need without constant readjustment.Name: lumbar support cushionSize: 39cm*27cm*10cmColour: BlackPackage content: 1x waist pillowApplicable scenarios: Ideal for office gifts, business gifts, etc., ideal gifts for office clerks, truck/taxi drivers and other people who sit for a long time.hint:Due to manual measurement, an error of 1-3cm is allowed.Due to the difference, slight chromatic aberration is allowed.happy shopping!If you have any questions, please contact us in time, we will solve it for you as soon as possible