Can I return my Mattress Protector? August 27, 2020 15:54 Updated If for any reason you don't love your Helix Mattress Protector you can return it within your first 100 nights. Fine details about our 100-night trial and how to return here. Related articles What is Helix's Return Policy? How do I start a return? Can I return my Helix Foundation? How does the return process work? Can I try a different Helix mattress model?