Serta Perfect Sleeper Luminous Cushion Firm King-size Mattress and Foundation Set

by Serta
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ITEM# 15326819
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ITEM#: 15326819

Serta's Pressure Balancing Design combines layers of foams and fluffy fibers with the support of an advanced innerspring system to provide enhanced pressure relieving comfort. The memory foam gently conforms to the body and contours to sleeping positions to help provide pressure relieving comfort. This helps to reduce the pressure points that can cause you to toss and turn, wake up and shift positions.

  • Combines continuous coil design with head-to-toe coil construction to promote proper back support and undisturbed sleep
  • Size: King
  • Set includes: Mattress, split foundation
  • Construction: Cushion firm
  • Support: Firm
  • Certifications: The Official Mattress of the National Sleep Foundation
  • Materials: Cool balance fabric, pillo-fill fiber, visco memory foam, 520 continuous support innerspring
  • Mattress set dimensions: 21.5 inches high x 76 inches wide x 79.5 inches long
  • Mattress dimensions: 12.5 inches high x 76 inches wide x 79.5 inches long
  • Foundation dimensions: 9 inches high or low profile 6 inches high x 38 inches wide x 79.5 inches long

White glove home deliveries require a 4-hour window to complete delivery; this includes delivery of the mattress, set-up in the room of your choice, removal of all packaging and debris and removal of your old mattress upon request. Please note that there is no surcharge for additional flights of stairs. You will be contacted by the home delivery agent when the product is ready for delivery (typically 1 to 3 weeks), we recommend requesting product removal at the same time you schedule your home delivery appointment.

30-Day Comfort Guarantee - If you are not satisfied with your purchase within 30 days, you may return your order for a refund less a re-stocking fee. After 30 days, the mattress cannot be returned.


Mattress Type Hybrid, Innerspring, Memory Foam, Sets
Thickness 12 Inch
Memory Foam Type Foam, Memory Foam
Support Firm
Mattress Top Tight Top
Dimensions See Details
Warranty 10 year Limited Manufacturer
Model Number 363651860
Country of Origin United States

Questions & Answers

  • Q:

    "What is the weight of the king mattress and foundation?"

    • A:

      Hello gatormimi, Thank you for inquiring about the Serta Perfect Sleeper Luminous Cushion Firm King-size Mattress and Foundation Set. The ship weight is 120 pounds. Thank you for shopping with us.

  • Q:

    "Can the mattress be flipped and slept on both sides?"

    • A:

      Hello hereiam123, This mattress will help you get the perfect night's sleep! This mattress is not designed to be flipped and should only be slept on on one side. I hope this information helps. Thanks for shopping with us.

  • Q:

    "I noticed below in the Q&A you said there are 644 coils but on the product description it states, " 520 continuous support innerspring". What is the quote referring to? Also what is the gauge of the coil wire? Thanks."

    • A:

      Hello hereiam123, This mattress is so comfortable! I apologize for the confusion; the king size has 644 coils and the standard queen has 520 coils. Also, the coil gauge is 13.75. I hope this information helps. Thanks for shopping with us.

  • Q:

    "Just to confirm before I purchase, the writeup for this king mattress and box spring set says the foundation (or box springs) is a split set - please confirm with me again that the box springs for this come in 2 pieces. Thanks."

    • A:

      Hello smdec. That is correct, the set includes: Mattress, split foundation. Thanks for shopping with us. Jennifer E

  • Q:

    "What is the coil count?"

    • A:

      Hi mlr50, we were able to verify this information with our support team. This item has 644 coils. Thanks for shopping with us.

Shopping Tips & Inspiration

Shipping & Returns

Contact Information
1-4 week delivery after the item ships:**

Delivered by freight carrier. See Oversized Item Delivery Policy.

Mattress Return Policy:

Mattress Sets are non-returnable upon signature at delivery. Mattresses are non-returnable if opened or taken out of their plastic wrapping.
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This item cannot be shipped to Alaska or Hawaii. More details

Oversized Item Delivery Policy:

This item will be shipped via freight carrier to your home, excluding rural routes, remote areas not in close proximity to areas commonly serviced by freight carriers, islands, APO/FPO addresses, P.O. Boxes, Alaska and Hawaii. Please provide your daytime and evening phone numbers during check out so our carrier can contact you to schedule delivery. Refer to our Oversized Item Delivery Policy for additional information.
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For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.