The Sleep Joy 2-inch Gel Memory Foam Mattress Topper made with Bio fresh is the first breathable and odorless gel memory foam topper. A patented process infuses premium density memory foam with micro-gel beads that sense where your body needs the most support, providing the personalized comfort that traditional memory foam can't. Through a unique production process, foam odor is eliminated. Allover ventilation allows for greater airflow, creating a cooler, more hygienic sleeping environment. Open-cell construction offers superior durability that retains its shape over time and outlasts the competition. The topper comes with a breathable, moisture-wicking Nano-Tex Coolest Comfort cover that protects and increases the lifespan of the mattress topper. Cover is zippered and machine washable/dryable. Made with plant-based ingredients, Bio fresh memory foam has a lower impact on the environment and is naturally hypoallergenic. Whether you're looking to supplement your mattress that's in good condition, or restore the cushioning and support your mattress may have lost over time, the Sleep Joy 2-inch Gel Memory Foam Mattress Topper is your solution. The mattress topper will work with fitted sheets of any depth. Instantly upgrades any type of mattress; latex, memory foam or spring. Assembled in the USA of US and imported components. Sleep Joy is protected by a 5 year limited warranty.