What is the warranty on the Purple™ Mattress Protector? The Purple™ Mattress Protector includes a 10-year warranty! Find all the details HERE. Related articles How do I wash the Purple™ Mattress Protector? What is the Purple Mattress Warranty Policy? What kind of mattress protector do I need? Is there a Warranty on the Purple bedframe foundation? Does the Purple® Mattress come with a cover?