Enjoy luxurious comfort and extra support with the Serta® Luxury Firm Support Mattress Pad. This extra soft, 300 thread count, 100% cotton sateen mattress pad is sure to give you the best night’s sleep. Air Dry fiberfill helps to keep you cool and comfortable all night long. 3M Scotchgard stain release technology wicks away any moisture, preventing stains from occurring. Antimicrobial adds protection against odor-causing bacteria to keep your mattress pad fresher for longer in-between washes. Easy care, machine washable with zip and wash construction. Twin: 39 in W x 75 in L x 15 in H Full: 54 in W x 75 in L x 15 in H Queen: 60 in W x 80 in L x 15 in H King: 78 in W x 80 in L x 15 in H California King: 72 in W x 84 in L x 15 in H 300 thread count Imported Product Specifications 54 in L x 75 in W x 15 in H Material & Care Cotton Machine washable