Features: Instant Cooling & Moisture-Wicking: Nylon–spandex with Q-max 0.4+; 3.5× more moisture-wicking than cotton, perfect for hot sleepers & night sweats. Skincare & Hair Protection: Infused with 462.57 mg/kg hyaluronic acid & 3.38 mg/kg ceramides; silk-like softness nourishes skin, reduces hair breakage & frizz. Secure Fit & Easy Care: Hidden zipper stays neat; machine washable, retains cooling & beauty benefits long-term. Material: 82% Nylon, 18% Spandex Certifications: OEKO-TEX® STANDARD 100 What's Included: 2 Pillowcases