Description： Sweetnight hybrid mattress offers both customized support and luxurious comfort. This mattress with a gel-infused memory foam layer conforms to body contours, relieves pressure points and regulates temperature. Individually pocketed coils provide support for proper spinal alignment and help to reduce motion transfer. The air-flow between coils provide the perfect of breathability. High-density foam provides reliable long-term support. This mattress cover is made of hypoallergenic fabric that promotes airflow for a cool sleep. Sweetnight medium firm mattress is not too firm and not too soft, which is at the perfect level of firmness.This mattress in a box for smart shipping and easy setup. Sweetnight mattresses come with a 10-year warranty.