3-year warranty and 30-day no-questions-asked returns We provide a 3-year free warranty and 30-days no-questions-asked returns to ensure you have a happy shopping experience. Within 30 days after purchase, if this chair does not meet your requirements, you can contact us at any time for a return or exchange; Upgraded after-sales service, after purchasing the chair, we will provide you with a lifetime warranty on the chair frame. In addition, within 15 days after purchase, if you find that the price of the goods you purchased in our store has been reduced, we promise to reimburse you at the reduced price. Ergonomic Office ChairHbada office chair adopts ergonomic design, the desk chair fully supports the right side, waist, hip, elbow. The ergonomic C-shaped office chair back fits the back at all times, supports the pressure on the spine, and does not feel tired after sitting for a long time.