Point 1 (Original Body Pressure Dispersion): MLILY’s unique 2-layer construction disperses body pressure and reduces pressure on the body during sleep. Creates the ideal sleeping posture: “natural standing posture”. Nice Elasticity and resilience, and can effectively disperse your body pressure and relieve your shoulders and lower back, which reduces strain when sleeping. point 2 (Excellent Durability): Compression-tested 80,000 times by the domestic inspection agency compression test (JIS standards) with a restoration rate of 98.8% for durability. This product has passed rigorous testing, so you can rest assured you are getting a long-lasting, high-quality product. point 3 (safe with low formaldehyde): Certified to have a formaldehyde concentration under 0.08 ppm by the domestic inspection agency; it meets the safety standards as set by The Ministry of Health and Welfare Ordinance No. 34. A soothing mattress that is environmentally friendly. point 4 (hygienic vacuum rolled pack): Vacuum packed immediately after production, which prevents the attraction of dirt and bacteria while in storage or during delivery, making it very sanitary. After opening, it takes about 6 hours to restore its shape but it may differ depending on temperature and humidity. Once restored, it cannot be compressed again.--- Product specifications and design may change without prior notice. Thank you for your understanding.【サイズ】幅97cm×奥行195cm×高さ3cm,【素 材】側生地：ポリエステル100％　中材：高反発、低反発ウレタンフォーム,【重　量】約3.0kg,【特 徴】MLILY（エムリリー）は北欧デンマーク「フォスコ社」で生まれた寝装品ブランド。現在ではHealth Care社の高い技術力、販売促進により、アメリカやヨーロッパ、アジアを中心に様々な国の大手百貨店、家具メーカー、小売店などで販売され、世界各国で愛用されております。,トッパーとはマットレスの上に重ねるパットのことです。海外では一般的なスタイルでマットレスに敷き重ねることにより、グレードが上がり人気です。