Cool Dreamz Gel Memory Foam Pillow with Neck Support Memory foam pillow Cover: 100% Viscose Rayon / Face: 100% Polyester / Inner: 100% Polyester / Back: 100% Polyester / Inner Cover: 65% Polyester 35% Cotton Minimizes heat build up to keep you cool at night.Relieves pressure points & soothes tired muscles.Increased airflow cools & refreshes. Textured gel pad massages the head, neck, and shoulders Cool gel pad helps disperse heat and offers a cooling sensation.Ideal for all sleep positions Cover is machine washable and dryable