60% Viscose from Bamboo / 40% Cotton Sheets are so luxurious and soft, you will never want to sleep on other fabrics again. Made from an eco-friendly source, these incredible sheets are terrific for people who have skin allergies. All of our bamboo bedding has natural wicking abilities to absorb much better than other fabrics, therefore, making them especially nice for those with night sweats. 60% of Bamboo viscose for the cool softness sensation mixed in with 40% of cotton for the high strength & comfort properties of the cotton. Machine wash in cold water. Delicate cycle with mild detergent. No Bleach. Tumble Dry on low heat. Remove immediately at end of cycle. Press with warm iron if needed. Do not Use Hot water.