The Kirkland Signature by Stearns & Foster Portofino is the epitome of pure luxury. Our Portofino sleep set has the necessary components to give your body pressure relieving comfort in all the right places. You get the support you need with a plush surface to make you feel like you’re sleeping on a soft, sumptuous cloud. If this sounds appealing then you found the mattress of your dreams. Looking for the same features in something firmer? Check out the Sanremo Luxury Firm.

Specifications:

• Mattress thickness: 16"
• Bed frame not included
• Meets the requirements of 16 CFR Part 1633 - Federal flammability (open flame) standards
• Vertical cloth handles
• King and Cal-King size mattress sets include 2-pc box spring
• Ten-Year non-prorated limited warranty covers manufacturers defects
• Cal King 3-pc Mattress Set dimensions: 72"W x 84"L x 21"H; Weight: 199 lbs

Quilt Layers:

• Luxurious Knit Cover
• FlameGuard™ High Loft Fiber
• 1 in. Hypersoft® Foam
• 1 in. Hypersoft® Foam

Comfort Layers:

• 2 in. HD SuperSoft Foam with VRT™
• Versare
• 1.5 in. HD SuperSoft Foam
• .5 in. Memory Foam
• 1 in. HD Foam

Support:

• Individually Wrapped Coil, 7T 13.75 Gauge
• Coil density: 1050
• Foam Encased Edge Support

Box Spring:

• LTD™ Box Spring
• Box Spring thickness: 5 in.

• Boxspring Included: Yes
  
• Brand: Stearns & Foster
  
• Length: 84 in.
  
• Mattress Construction: Innerspring
  
• Size of Bed Mattress: California King
  
• Type of Mattresses: Eurotop
  
• Weight: 199 lb.
  
• Width: 72 in.
  

Kirkland Signature™ products are designed and produced using the finest quality materials and workmanship available.

Every Kirkland Signature™ product is guaranteed to meet or exceed the quality standards of the leading national brands. If you are not completely satisfied, your money will be refunded.

For shipping information please refer to each item in the collection.

Various shipping methods are applied to each item based on size and weight; therefore, items in the same collection may arrive on different days.

Ten-year non-prorated limited warranty covers manufacturer's defects.

After placing your order, please allow approximately 2 - 4 weeks for manufacture & delivery. You will be contacted for a delivery appointment approximately 2 - 3 weeks from the time of order. Delivery available Monday through Friday between the hours of 8:00 A.M. and 5:00 P.M. A 4-hour delivery window may be required. Delivery day and timeframe varies by location.

If you have any customer service questions, order status inquiries, concerns regarding defective product or product operation, please call 1-866-660-7800 and ask for the Customer Service Department related to Costco.

Standard shipping via delivery agent, in-home delivery with set up on existing frame, signature required. Frame must be already set up and clear of old mattress set. Does not include removal of old mattress by delivery agent. Delivery agent will call to set up delivery time prior to delivery. Delivery is subject to suitable access that allows for delivery to be made without damaging the purchaser's property, the product or jeopardizing the safety of delivery personnel. Please check the measurements to make sure access will be available. In the event suitable access is not available, the delivery agent reserves the right to refuse delivery and Costco will issue a refund. Extraordinary delivery requirements may necessitate an additional fee to the delivery agent. Please include a daytime phone number in the shipping information at the time of checkout.

Delivery is not available to Alaska.

Delivery is not available to Puerto Rico.

Costco.com products can be returned to any of our more than 600 Costco warehouses worldwide.

Membership: We will refund your membership fee in full at any time if you are dissatisfied.

Merchandise: We guarantee your satisfaction on every product we sell with a full refund. The following must be returned within 90 days of purchase for a refund: televisions, projectors, computers, cameras, camcorders, touch screen tablets, MP3 players and cellular phones.

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.