In order to meet consumers' demand for healthy sleep. Cushion is an article between human body and bed to ensure that consumers get healthy and comfortable sleep. Because the mattress is an item that needs to be used for a long time, if it is uncomfortable to use, it will affect sleep and lead to failure to work. In order to avoid this problem, a 30-day trial sleep was introduced. If you feel uncomfortable, you can replace it and return it, so it is to meet the needs of consumers for healthy sleep.