【Product Information】Size: Approximately 120x200x3cm; Urethane: 3cm thick 180N high-resilience urethane foam; Excellent breathability and designed to prevent stuffiness, allowing for comfortable use even in summer. Surface fabric: Polyester; Back: Non-slip specification. The non-slip back ensures it won't slip on flooring, providing peace of mind. 【Relief from Back Pain】Can be used if you experience "body pain, poor sleep comfort, or back pain." The 30D high-density urethane foam provides excellent pressure distribution and is designed to resist sagging even after prolonged use. Simply layer it on your existing bedding to achieve ultimate comfort and a healthy, refreshing wake-up, according to your preference. It can be placed on top of a futon or directly on the flooring. Usable in various situations. Please try the new sensation of sleep comfort. 【Carefully Selected Materials & Removable Outer Cover】The original cover has a gentle texture and is antibacterial, anti-mite, and odor-resistant. Furthermore, it comes with an inner cover to prevent deterioration of the main body and maintain cleanliness. The back of the cover has a non-slip specification, making it less likely to slip on flooring, so you can use it with confidence. The outer cover can be easily removed with a zipper and washed, allowing you to keep it clean at all times. Also, a storage bag is included, allowing you to store it when not in use and effectively utilize space. 【About Care Instructions】If the side fabric gets dirty, gently dab the stain with a cloth dampened with diluted mild detergent. Shipped without a box, in simple packaging. Since we do not use cardboard, there is less waste after receiving the product, and it reduces disposal effort. The mattress will be carefully shipped in a bag. We appreciate your understanding of the simple packaging. yu310-120@5480