Features: Instant Balanced Cooling: Bedsure’s Q-Max >0.4 cooling fabric drops temperature by 4°F instantly, with 5x better breathability and absorbency than cotton. Stays dry all night, regulating sleep temperature for hot sleepers. Silk-Soft Stress Relief: Woven from ultra-fine fabric (finer than 1/99 of a hair strand), the pillowcase offers cloud-like smoothness that soothes tension and promotes deep relaxation. Hair & Skin Protector: The silky surface prevents hair breakage, tames frizz, and reduces sleep creases. Material: 90% Nylon, 10%SpandexCertifications: certified for chemical safetyWhat's Included: 2 Pillowcases