How long will my mattress protector last? January 15, 2021 14:56 Updated With normal use and regular washing the mattress protector can provide durable protection for five years or longer. Related articles How does the mattress protector work with my fitted sheet and other toppers? Can I wash the mattress protector? Is the mattress pad compatible with other mattress toppers? What will the Birch Luxe feel like? How thick is the latex layer in the Birch topper?