Ergonomic design provides strong spine support when lying on the floor, while remaining soft and comfortable to help your body relax and decompress. Important tip: this product is compressed during packaging, so it may take a few days after opening to to normal thickness. Foldable and portable: easily folded for storage, making it an ideal choice for bedrooms, hotels, dormitories, travel, and entertainment venues. Multi functional mattress: can be used as a warm and fluffy mattress, a dormitory mattress, a tent mattress, a folding mattress, a Japanese tatami mattress, and a pet mattress. It can also be used as a children's play mat, a baby crawling mat, and even in the car. Use scenario 1: at home, place on the floor for comfortable resting with reliable spine support during lounging or naps. Use scenario 2: in dormitories, hotels, or while traveling, thanks to its foldable design that saves space and simplifies transport. Use scenario 3: for outdoor camping in a tent or for car use, and as a play surface for kids or a soft mat for pets.