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Sealy Posturepedic Plus Prosser Hills 12" Firm or 13.5" Plush Mattress

Item 1900481
Our Online Price Includes*
*Online purchases only. In most areas. Box spring available on select mattresses for a bundled price. **Terms and conditions apply.

How To Get It

affirm. Buy now, pay later on orders over $500. Terms apply.
  • Mattress Foundation is Available for Purchase in Cart
  • 12" Firm Tight Top and 13.5" Plush Pillow Top
  • Cool-to-the-Touch Cover with MoistureProtect™
  • PrecisionFit™ Coils Flex to Your Body to Maintain Natural Alignment
  • DuraFlex™ Coil Edge System: For More Usable Sleep Surface
View Product Details

Costco Direct Savings
Purchase multiple Costco Direct items on the same order to receive additional savings. Items must ship to the same address to receive savings.
  • Buy 2 Items, Save $100
  • Buy 3 Items, Save $200
  • Buy 4 Items, Save $300
  • Buy 5 or more Items, Save $400
Valid 10/1/25 through 1/28/26. While supplies last. Online-Only. Limit 2 redemptions per member. Costco Direct Savings can be combined with other promotions.

BrandSealy
California King Mattress Dimensions: W x L x H72 in. x 84 in. x 12 in.
Costco DirectCostco Direct
Delivery TypeWhite Glove
FirmnessFirm
FirmnessPlush
Foundation AvailableFoundation Available
Full Mattress Dimensions: W x L x H53 in. x 74 in. x 12 in.
King Mattress Dimensions: W x L x H76 in. x 80 in. x 12 in.
Mattress CompositionInnerspring
Mattress TypeMattress Only
Online OnlyOnline Only
Queen Mattress Dimensions: W x L x H60 in. x 80 in. x 12 in.

Delivery to the room of choice and Setup.

Setup is in accordance with manufacturing guidelines so product is ready for intended use. Packaging removal included. Haul away of an old mattress and foundation is included.

*Our delivery coverage is within 50-miles of a Costco Wholesale warehouse (some exceptions apply). Orders shipped to Alaska, Hawaii or Puerto Rico may have an additional shipping and handling charge calculated and applied at checkout. To confirm availability in your area, enter the delivery zip code at the top of the item page.

Please review your confirmation receipt to ensure you have ordered the correct size bed. If you have ordered in error, please contact customer service.

Members in the state of California that will not receive haul away at time of delivery, must call 1-800-955-2292 within 30 days of delivery to request haulaway.

*Used mattress that are contaminated and pose a risk to personnel, new products, or equipment are not eligible for haulaway.

Costco.com products can be returned to any of our more than 800 Costco warehouses worldwide.

SHOP CONFIDENTLY

We are committed to offering the best value to our members, with a risk-free 100% satisfaction guarantee on your membership and merchandise with some exceptions and limitations*. If you have questions about your membership or products you've purchased at Costco, please visit the membership counter at your local Costco or Contact Customer Service.

*Certain items are not available for return or refund or may have limitations on their eligibility for return or refund. View Costco's Return Policy.

Costco Technical and Warranty Services for select electronics and consumer goods. For manufacturer warranty information, please contact us.

How To Return Costco.com Orders