Our toppers are made of an open cell memory foam, which helps to keep your sleeping climate optimal by moving heat away from your body. 100% polyurethane foam.

For the Slip Cover: (covers top side of foam): Lay foam on mattress, put cover over foam, tuck edges around topper & mattress For the Full Cover:  https://www.onmolecule.com/pages/cover-steps In the room you plan to use your...

We guarantee that you’ll love your MOLECULE topper. If you aren’t absolutely satisfied, please let us know within 30 days of arrival, and we’ll help you donate it for a full refund. You may request...

Your topper is backed by a 5 year limited warranty.

Cover is 100% Polyester.

Wipe with a soft cloth or sponge using a mild soap that is diluted with lukewarm water. Do not bleach, machine wash in cold water on delicate cycle. Lay flat to dry, do not machine...

Twin 75"L X 38W X 3"H 14 lbs Twin XL 80"L X 38"W X 3"H 15 lbs Full 75"L X 53"W X 3"H 20 lbs Queen 80"L X 60"W X 3"H 24 lbs King 80"L...

The Molecule Topper is CertiPur-US© certified, made without ozone depleters, without PBDE flame retardants, without mercury, lead, or other heavy metals; without formaldehyde, and without phthalates regulated by the Consumer Product Safety Commission. Our topper...

While the topper goes perfectly with our mattress, the Molecule mattress topper was created to promote a favorable environment for deep sleep on any mattress, as they are made to breathe and release heat. Using...