The Eve Wunderflip Hybrid mattress comes with a 10-year guarantee.
This 10-year warranty covers:
Any performance issues.
Problems with the materials.
Splits and cracks in the mattress.
You have to have taken good care of your mattress in order to make use of the guarantee.
The warranty will no longer be valid if you've placed your Eve mattress on an unsuitable bed frame or used it for any purpose other than intended.