Sleep Number Ultimate 12" Mattress

Standard shipping via White Glove installation is included in the quoted price. Delivery includes in-home Professional setup and removal of packing materials. Delivery and installation/assembly will be done on the same day by the delivery/assembly agent. Please include a daytime phone number in the shipping information at the time of checkout and please monitor your emails for an opportunity to set your delivery appointment. Extraordinary delivery requirements may necessitate an additional fee to the carrier.

*Delivery is available to Alaska and Hawaii; however, an additional Shipping and Handling fee will apply. This fee will be quoted at checkout. Additional transit time may also be required.

Delivery is not available to Puerto Rico.

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