How does it attach to my mattress? March 11, 2019 14:18 Updated Follow We've included a non-slip base and four elastic straps to secure it nice and tight to your mattress. Related articles What is inside the topper, are there different layers like the mattress? What sheets can I use with the topper? Can I use the topper on any mattress? Can I store the topper when I'm not using it? Do I need to use a pillowcase and duvet cover? Will my current one fit?