Amazon.com: Bedsure California King Mattress Protector Waterproof Amazon.com: California King Mattress Pad Waterproof Ergonomic Quilted Amazon.com: Sufdari Cal King Mattress Protector,Waterproof Mattress Amazon.com: ELVEN HOME California King Waterproof Mattress Pad, Super Amazon.com: SLEEP ZONE Cozy Mattress Pad Cal King Size, Extra Deep. Once youve experienced the warm, cozy comfort of sleeping under a down duvet, youll want the same premium amenities in a mattress pad. The plush cushioning of Monmouth adds an airy layer of softness to your mattress, falling somewhere between the density of a feather bed topper and a simply filled standard mattress pad. Product Details: Fill: European White Goose Down Fill Power: 600+ Ticking: 330TC 100% Cotton Sateen Construction: 10" Sewn Through Bo Finishing: Piped edging Elasticized side walls fitted for up to 20" deep mattresses Country of Origin: Made in USA of imported materials Care instructions: Machine wash cold water on gentle cycle. Do not use a washing machine with an agitator. Do not use bleach (bleaching may weaken fabric and cause yellowing). Do not use fabric softener. Tumble dry on low heat using tennis balls in the dryer to help un clump the down clusters.