Help alleviate lower back pain - Comfortably support people with lower back pain, especially pregnant women. It helps to maintain the correct posture.Relieve Back Pressure - In addition to pregnant women, NASA astronauts have also taken "backup" trips. This simple back support helps alleviate their back pain caused by microgravity. President Nada even received support from the World Chiropractic Union.The design for improved posture and comfortable sitting upright allows computer users and campers to easily sit upright without affecting their lower back.Provides additional cushioning - This back support system is equipped with standard accessories that can distribute tilted weight over three times the area of the tibia. Large knee pads and pads are also ideal for larger people. Small frame users can enjoy additional buffering. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!