Ergonomic design This mattress cover is ergonomically designed to be comfortable and soft while providing strong support for the spine when lying on the floor. It helps the body relax and decompress. Important tips This product is compressed during packaging. After opening the package, it may take a few days to to its normal thickness. Foldable and portable The mattress cover folds easily for storage, making it an ideal choice for bedrooms, hotels, dormitories, travel and entertainment venues. Its portable design supports convenient use wherever you go. Multifunctional mattress Use it as a warm and fluffy mattress, a dormitory mattress, a tent mattress, a folding mattress, or a Japanese tatami mattress. It can also function as a pet mattress and can be used as a children's play mat, baby crawling mat, or even in the car. A versatile partner for the whole family to travel and enjoy leisure time. Use scenarios Home floor sleeping: provides ergonomic spine support and a soft, comfortable surface for floor resting. Travel and accommodation: foldable and portable, suitable for bedrooms, hotels, dormitories, and on the go. Family use: doubles as a play mat for kids, a crawling mat for babies, a cozy pet bed, or a compact mat for car trips and tents.