This is an IKEA Sultan Hogla active-response coil mattress in excellent condition. We've moving so have to sell off many large items. I bought it from IKEA two years ago. It is a very comfortable and highly rated mattress with strong springs that provide great support.

Official link for the original item: http://www.ikea.com/us/en/catalog/products/20206905/#/30206900

Details for this item:

Color: white
Size: King
Length: 79 1/2 “, 202cm
Width: 75 5/8 “, 192cm
Thickness: 10 5/8 “, 27cm

Key features:

• Active pocket springs respond independently to cradle your body and help relieve pressure points, while keeping your spine properly aligned.

• Active-Response Coils are individually wrapped to insulate movements so you don't disturb your bed partner.

• Five comfort zones relieve pressure points all along your body.

• Lyocell, a natural fiber, helps regulate body temperature as you sleep.