Using this mattress topper is a breeze. First, unpack it from the compressed package and give it 24 - 48 hours to fully expand and reach its true dimensions. Once it's ready, place it on your king-sized mattress and use the elastic straps to secure it in place. You can enjoy the immediate comfort upgrade. As for maintenance, the removable stretch knit cover can be taken off and washed regularly to keep it clean. There's no need for any assembly, so you can start using it right away. Just remember, this product is for home use only, not for commercial settings, and it's Prop65 free, ensuring a safe environment.