Dual-Layer Support: Experience superior comfort with our 8cm dual-layer foam. The top 3cm (30D) memory foam relieves pressure points by conforming to your body, while the bottom 5cm (25D) support foam provides firmness for back pain relief and proper spinal alignment. Premium Breathable Fabric: Enjoy a cooler sleep wrapped in our high-quality, 300g/sm air-layer fabric for a soft feel and 180g/sm mesh sides for enhanced breathability. This design effectively reduces heat and moisture buildup. Total Anti-Slip System: A 3-in-1 secure fit system keeps the topper firmly in place. It features a full-wrap elastic skirt, a non-slip dotted bottom, and extra-wide 3cm corner straps, compatible with all bed types. Removable & Washable: Maintain freshness with ease. The entire zipped cover is effortlessly removable and machine washable, ensuring a clean sleeping environment. (Note: Only the cover is machine washable). Easy Setup Guaranteed: Arrives vacuum-sealed for convenience. Allow up to 48 hours for full expansion to the 8cm thickness. Any temporary odor will dissipate quickly. We offer reliable customer support.