Mocassi Rayon Derived from Bamboo Mattress Pad, Fits Mattresses up to 16"Wallow in the decadence that these mattress pads have to offer. Featuring 360 degree elastic for a snug and secure fit onto your mattress. Stain and water resisting material with an overall long lasting nature. Perfect for hot sleepers with a cool and crisp feel for a more soothing sleep. Ideal for any mattress. Crafted from incredibly soft yarns. What you will get: 1 Mattress Topper Material: 60% Bamboo, 40% Polyester Dimensions: Size California King