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The bedrock of great sleep.
We reinvented the box spring. Our foundation provides excellent support under any Casper mattress and can be assembled in minutes.
Need replacement Casper Foundation pins? Shop Foundation Pin
Save on Foundation with a Casper discount code
Checkmate is a savings app with over one million users that have saved $$$ on brands like Casper.
The Checkmate extension automatically applies Casper discount codes, Casper coupons and more to give you discounts on products like Foundation.
Checkmate users have also been loving these products from Casper.
Users have been saving products like this to their collections.
