Run, Don't Walk: This Mattress Topper Is Down to Just $20 at Walmart

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Want to upgrade your bed without buying a new mattress? This Serta king-size mattress topper adds extra cushioning and comfort for just $20 (it's the same price as a queen-size option) when you shop online at Walmart.com. It's an easy, affordable way to level up your sleep.

Online Deal at Walmart

Serta Mattress Topper

$20.00$25.0020% off

What to buy

1 Sertapedic Pillow Top Mattress Topper, King, $20.00 ~~$25.00~~

Shipping: Free with Walmart+ or on orders of $35+

Exp 05/20/25

Get Deal at Walmart

Shipping is free with Walmart+ memberships or on orders of $35 or more.

If you're in need of more bedroom essentials, be sure to explore our bedding deals for additional savings.

Earning cash-back rewards on purchases you already have to make is a seamless way to maximize savings with minimal effort. KCL has curated a list of the best credit cards for online shopping to earn more rewards.