Milliard Premium Cooling Gel Memory Foam Pillow, Perfect for Neck Support and Keeping your Face Cool for a Most Enjoyable Sleep - 27x15x5in. Some like it hot but most of us dont. A layer of endothermic cooling gel makes the cool side of the pillow even cooler. Underneath is soft, supportive memory foam thats plush, durable, and conforms to the shape of your head and neck for the ideal posture and support. Cool gel keeps your face cooler longer and promotes more air movement to help you fall asleep quicker. Memory foam is a synthetic material technology originally developed by NASA engineers thats naturally resistant to allergens, mold, bacteria, and dust mites. From their laboratory to your bedroom! Whether you sleep on your back, side, or anywhere in-between, the support of premium memory foam sustains proper posture in your spine and neck to relieve stress. Pillow measures 27"L x 15"xW x 5"H. Removable cover is machine washable and dryer safe.