PureCare&reg; Elements Premium Celliant Sheet Set, California King, Sage 50% Celliant, 50% Cotton Imported Features revolutionary celliant performance fibers which are clinically tested to absorb energy emitted by the human body and recycle it back into the body Celliant fibers also promote increased performance, faster recovery time from physical activity and help to promote restful sleep Mineral properties of celliant performance fibers are literally built into each celliant thread and will not wash out, lasting the lifetime of the product Celliant sheet set Generous 8-inches pocket on each pillowcase