Dyonery 3 Inch Extra Firm Memory Foam Mattress Topper King, Cooling Gel Bed Pad, High Density Support Topper with Non-Slip Straps & Washable Cover

Highlights

• [Revitalize Your Old Mattress]Instantly revitalize your aging mattress with this 3-inch extra firm topper. Engineered with high-density foam, it adds substantial support and durability, extending the life of your bed while improving sleep quality.
• [Certified Safe & Healthy]Your safety is our priority. This topper is rigorously tested and CertiPUR-US and OEKO-TEX certified, guaranteeing it is free from mercury, lead, and heavy metals, making it a safe choice for adults and children.
• [Breathable & Cool Sleep]Enjoy a refreshing night's rest with our cooling gel-infused structure. Paired with a skin-friendly, breathable cover, it promotes airflow to wick away moisture, keeping you cool and dry during warm summer nights.
• [Stays in Place All Night]Designed for stability, this topper features a grippy non-slip bottom and highly elastic corner straps. It fits mattresses up to 21 inches deep, ensuring the pad stays perfectly aligned with your bed all night long.
• [Washable Cover for Hygiene]Maintaining hygiene is effortless with the removable, machine-washable cover. For optimal performance, unpack the topper and let it expand flat in a well-ventilated room for 48-72 hours to regain its full intended shape.