Wrap yourself in the softness of the luxurious 100% Rayon Derived from Bamboo sheets. Abripedic Viscose made from Bamboo Sheets, 600 Thread Count. The softest fabric in the world on your bed to enjoy a perfect sleep. You won't be able to go back to cotton sheets once you try these sheets. Amazingly soft similar to cashmere or silk. 60% more absorbent than cotton. Machine wash in cold water. Delicate cycle with mild detergent. No Bleach. Tumble Dry on low heat. Remove immediately at the end of the cycle. Press with a warm iron if needed. Do not Use Hot water.