Using this twin memory foam mattress topper is easy. Just unroll it on your existing mattress and let it expand for 48 to 72 hours. It'll then be ready to use. When it comes to maintenance, spot clean it whenever it gets dirty. Keep it away from sharp objects to avoid tears. Also, try to keep it in a well - ventilated area. That way, it'll last longer and keep providing you with a comfortable sleep every night.