·【Advanced 2-Layer Design & Adjustable Firmness】Aivermeil mattress topper features a crafted combination of 1.5" aviation grade gel memory foam and 2.5" high density supportive foam. The top layer provides a relatively moderate feeling while the bottom layer provides a firmer feeling.If you want an extra firm sleep experience, simply flip the foam and use it.

·【Moderate Firmness & Relieve Pressure】Our mattress topper achieves a perfect balance of comfort and support. It fits your body contour, evenly distributes weight, and reduces body pressure. At the same time, the high-density support foam at the bottom provides moderate firmness, which is more supportive than ordinary memory foam and can effectively relieve back pain and pressure.

·【Removable & Washable Cooling Cover】Aivermeil mattress topper features a skin-friendly nanoparticle ice silk cover, which is cool to the touch and has good breathability. Unique weaving technology is used to enhance air circulation, making it more breathable and cooler than a regular mattress topper. Keeping you cool and comfortable all night long. It's zippered, removable and machine washable, making it very easy to clean and maintain.

·【Certified Quality & Anti-slip Design】Aivermeil bed toppers are CERTIPUR-US certified, ensuring low odor, high-quality materials, excellent performance, and durability. Each foam has undergone a rigorous pressure rebound test to ensure long-term durability without collapsing. Adjustable elastic straps and anti-slip bottom keep it stay in place, preventing any unwanted shifting.

·【100% Satisfaction Guarantee】 We attach great importance to product quality and offer a year-round worry-free guarantee. If you have any questions or concerns about our mattress topper, please reach out to us at any time. We are committed to providing a satisfactory solution within 24 hours.Please note that due to packaging compression, WAIT FOR 48-72 HOURS after opening for the mattress topper to fully expand.