It's been a year since I barely used it. I think there are various ways to use it, such as for the lumbar support of a gaming chair or in the Recaro bucket seats of a car. 【Effect】This inflatable lumbar support pillow is designed to firmly and comfortably support your lower back, reducing back pain and discomfort. With a portable and inflatable design, it's easy to carry on the go and inflate as needed. 【Portable and Inflatable】: The pillow is inflatable and easy to carry on the go. Simply inflate it when needed and deflate it when finished. 【Breathable】: Made of washable, breathable material, ensuring long-term use and easy maintenance. 【Versatile:】 This pillow is suitable for travel, office, car, and camping, providing support and comfort wherever you go.