Driving for a long time is easy to cause lumbar discomfort, and the car seat waist support inflatable air bag can solve this problem well. The seat waist support is made of tpu material, which is non-slip and breathable, and the inflatable air bag can adjust the hardness according to personal needs to ensure the comfortable support of the waist. Not only that, the car seat support inflatable air bag can also improve the driver's sitting posture, preventing waist injuries caused by sitting in poor posture for a long time. The Airbag can be easily removed when it is not needed and the seat waist support can still be used normally. This inflatable airbag waist support is suitable for all kinds of car seats, and is a good helper for car owners and passengers during long drives and commutes.