1. Fluffy Mattress Topper: The mattress topper is skinfriendly. The 10 cm thick feather and down filling is durable, making the topper longlasting and fluffy while ensuring better sleep at night. Breathable in summer and warm in winter, this downfeather topper is the ultimate advantage. 2. Mattress Topper: Cozy mattress topper made of lambswool, suitable for both warm and cold seasons. Filled with thickened, selected lambswool and down, it is fluffy and warm, maintaining a constant temperature to provide fullbody warmth and care. Side A features lambswool fabric, thickened for warmth; Side B is brushed fabric, suitable for yearround use. 3. Versatile Use: The futon mattress can be used in bedrooms, guest rooms, children's rooms, playrooms, apartments, floor cushion beds, doormats, carpets, floor loungers, dormitories, yoga mats, gym floors, hotels, RVs, camping, car trips, and more, ensuring a restful night's sleep. 4. Care Instructions: This mattress protector is not recommended for washing, bleaching, ironing, or dry cleaning. Use a vacuum cleaner to regularly clean the cotton futon mattress with the traditional Japanese mechanism. During packaging, this item is compressed, so after opening, it may take a few days for the foldable mattress to fully restore to its normal thickness.