WXL mason testing

The King Koil World Extended Life collection features our proprietary Perfect Contour® Reaction coil system and is endorsed by the International Chiropractor Association (ICA) to assure a proper night time sleeping posture and years of a healthier night's sleep.

All King Koil mattresses are designed and built in the USA since 1898.



Backed by the International Chiropractors Association (ICA), the King Koil World Edition collection delivers a comfortable and healthier night's sleep at a value that is comfortable to your budget.

Featuring the new edge-to-edge coil system found only in the King Koil World Edition. The 789 Contour Flex EC with K2 Edge coil system provides a larger and more consistent sleeping surface for a greater night's sleep







Mason Plush

Additional Info

  • Coil Count (Q): 1000+
  • Coil Type: Pocketed Active / Reactive
  • Foam Encased: Yes
  • Warranty: 15 year full replacement
  • Manufacturer: King Koil
  • Sided: Single
  • Twin Set: $1299
  • Full Set: $1399
  • Queen Set: $1549
  • King Set: $2099
  • Displayed In: Fenton, St Peters, Fairview Heights, Hazelwood

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