The mattress inner bag is made of high quality tpu material, which has high durability, long service life and is not easy to be damaged. The mattress has multiple built-in air bags, which can effectively support the human body, relieve human fatigue, and make people sleep more comfortably. At the same time, the internal bag can also massage, can relieve muscle soreness, eliminate body fatigue. The mattress can be freely inflated and vented according to the needs of users. When inflating, it can quickly reach the suitable hardness. When venting, it is very convenient and will not cause trouble to users. In addition, the mattress also has a non-slip function, which can keep users safe during use. In a word, the air bag inside the mattress is a high-quality home massage mattress, can help users relieve fatigue, improve sleep quality, is an ideal choice for home life.