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? Is there a Warranty on the Purple upholstered bedframe foundation? What is the Royal Seat Cushion return policy? What kind of mattress protector do I need?