Cyber Monday won't last forever, and this deal on Casper mattresses is definitely one you don't want to miss if you've been looking to purchase a new mattress. Casper calls these deals their best ever, and both models on sale at Amazon are down to new low prices while supplies last. These mattresses come with a free 100-night trial, so if you decide the mattress you buy doesn't live up to your expectations, you can return it for a full refund. It comes with a full 10-year warranty from Casper too.

No Ghosting

Casper Sleep Essential and Foam mattresses

The discount works on the Essential and Foam series and covers sizes from Twin to California King. The mattresses use multiple layers of foam. Get a 100 night trial with the mattress. Try it out and if you don't like it return it for free.

20% off

Casper's Essential mattress is the most affordable model, with Queen-sized on sale for $476 and options like Twin from $316. It's not the only option though. You can save on the Casper Sleep Foam Mattress today as well, though prices start a bit higher at $476 for a Twin-sized mattress.

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The Essential has a 3-layer premium foam construction for support, breathability and bounce, along with a zip-off cover that's designed to withstand years of use. There's a top layer which is designed for breathability and softness and a memory foam layer underneath to help too. It's one of the most popular Casper mattresses thanks to its affordability while still being the best mattress you'll have ever slept on (or your money back).

The mattress you choose will be shipped rolled up in a rectangle box, so you must wait 72 hours after unpacking for it to fully expand. Casper provides a free 100 night trial with these mattresses. If you decide it's not the bed for you within that time frame, simply contact Casper and arrange to return it.

With Cyber Monday now live, you'll want to keep refreshing our Cyber Monday headquarters page for the latest price drops and sales. Don't forget to visit our guide to the best Cyber Monday deals either, as it's updated throughout the day with the best offers available.

Cyber Monday!

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