Sleep Science Split King Folding Mattress Foundation
Specialty bedding such as memory foam and latex mattresses perform best when on a solid continuous surface. Spring mattresses can also benefit by the support of the solid wood surface of the Sleep Science Folding Mattress Foundation. This foundation replaces a box spring and the need for a bedframe. It stands 14” high with ample storage beneath and fits into any standard bed frame. The Sleep Science Folding Mattress Foundation provides optimal support in a complete sleep system, with a solid wood top and reinforced metal legs.
The Sleep Science Folding Mattress Foundation was designed for easy 1-2-3 assembly. Simply follow the instructions included in the box. It only takes three easy steps and can be assembled in 5 minutes!
- Replaces a box spring & the need for a bedframe
- Can be used as a stand-alone platform bed
- Fits inside most bed frames
- Meets the requirements of 16 CVR Part 1633 – Federal Flammability (open flame) Standards
- Solid wood top surface instead of wire that can damage a mattress after prolonged use
- Includes a foundation cover which is machine washable
- Easy to assemble, no tools required
- Split King Foundation (2 Twin XL) dimensions: 74” W x 79” D x 14“ H; Weight: 147 lbs
Size of Bed Mattress: King
Standard shipping via FedEx Ground is included in the quoted price. The estimated delivery time will be approximately 5 - 10 business days from the time of order.
If you have any customer service questions, order status inquiries, concerns regarding defective product, assembly of furniture or product operation, please call 800-723-0316 and ask for the Customer Service Department related to Costco.
*Delivery is available to Hawaii. An additional Shipping and Handling fee will apply. This fee will be quoted at checkout. Additional transit time may be required. Delivery is not available to Alaska or Puerto Rico.
Costco.com products can be returned to any of our more than 600 Costco warehouses worldwide.
How to Return: For an immediate refund (including shipping and handling), simply return your purchase at any one of our Costco warehouses worldwide. If you are unable to return your order at one of our warehouses, please email customer service or call our customer service center at 1-800-955-2292 for assistance. To expedite the processing of your return, please reference your order number.
If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered. If your order was delivered "curb side", it will need to be available for curb side pick up.
If the item arrived to you in a box, it will need to be in a box at the time of pick up.