Fashion Bed Group Sleep Calm Mattress Protector with Stain and Dust Mite Defense, California King Cotton Made in USA 100% waterproof advanced cotton-toweling fabric repels spills and stains. Highly breathable fabric sleeps cool and provides a supple, smooth sleep surface. Super-stretch skirting smoothly fits most mattresses for easy placement. Creates a barrier against dust mites and pet dander for a better nights sleep. 10-year warranty protects your mattress investment and warranty. Size: California King