Stay comfy and safe with the Serta ComfortSure Dobby Check Quilted Top Mattress Cover. Serta's ComfortSure mattress cover offers you the ultimate luxury comfort every night with 100% cotton material to keep your bed cleaner, fresher, safer and more durable! Secure your good night's rest with the 18" deep elastic simple fit skirt featuring a deep pocket design that easily fits any mattress and prevents your mattress cover from shifting during your sleep. Fits like a glove to never slide no matter how you twist and turn in bed. A champion of comfort for all, Serta has pioneered sleep innovation for more than 90 years, bringing quality products to more than 150 countries worldwide. Every bed across the Serta portfolio is designed to provide superior comfort, including the award-winning Perfect Sleeper and iComfort collections.