DealEveryWeek promotion code
40% Off King Cooling Foam Mattresses
Use code NWET49MY on the 12-inch or 14-inch King mattress. Offer ends August 31, 2026 at 11:59 PM Pacific Time.
OFF
Use this code on either eligible mattress
NWET49MY
Offer endsAugust 31, 2026
11:59 PM Pacific Time
About pricing: Final pricing is shown on Amazon. Apply the code at checkout and confirm the discount before ordering.
Which mattresses qualify?
Choose one of these two King mattresses
The same promotion code works on either eligible option. Choose the mattress height that fits your frame, sheets, and preferred bed height.
12-inch King mattress
ASIN B0H8ZPC8WDChoose the 12-inch option if you prefer the lower mattress height or want to stay closer to your current bed setup.
View the 12-inch mattress on AmazonWe may earn a commission from qualifying purchases.
14-inch King mattress
ASIN B0H93SHBVBChoose the 14-inch option if your frame, sheet depth, and preferred bed height suit a taller mattress.
View the 14-inch mattress on AmazonWe may earn a commission from qualifying purchases.
Which height should you choose?
Check your complete bed setup
Measure the bed height
Include the frame or foundation when estimating the overall height.
Check your sheets
Make sure your fitted sheets have enough pocket depth for the intended mattress height.
At checkout
How to use the code
- Open the eligible 12-inch or 14-inch mattress.
- Confirm King size and the intended 12-inch or 14-inch option.
- Enter NWET49MY in the promotion-code field.
- Confirm the discount before placing your order.
Checkout reminder: Promotion availability can change, so confirm the discount at checkout before ordering.
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