Shield your Wyoming King mattress from life's little mishaps and extend its lifespan with this easy-to-use protector. Effortless protection: Slip on this mattress protector like a fitted sheet for quick removal and washing. No more struggling with cumbersome covers! Stay-put security: Sleep soundly knowing the extra-wide elastic will hug your mattress tight, preventing annoying midnight shifts and wrinkles. Peace of mind materials: Crafted with OEKO-TEX® certified materials, you can rest assured it's free of harmful substances, making it safe for you and your family.