Ergonomic design: This mattress cover is ergonomically designed, comfortable and soft, providing strong support for the spine when lying on the floor, allowing your body to relax and decompress. Important packaging tip: We compress this product during the packaging process, so it will take a few days to to normal thickness after opening the package. Foldable and portable: This mattress cover can be easily folded for storage, making it an ideal choice for bedrooms, hotels, dormitories, travel and entertainment venues. Multifunctional mattress: It can be used as a warm and fluffy mattress, dormitory mattress, tent mattress, folding mattress, Japanese tatami mattress, pet mattress, and can also be used as children's play mat, baby crawling mat, and even in the car. It is a good partner for the whole family to travel and enjoy leisure time. Practical use scenarios: At home or in a small living space, use as a comfortable floor mattress for lounging, sleepovers, or a play area for kids. While traveling, in dormitories or hotels, use as a lightweight, portable sleeping surface or extra bed. For camping, tents, or car trips, use as a versatile portable mat that can function as a tent mattress or onthego sleeping surface.