The Hollow Core Pillow from Hudson Industries Science of Sleep® was designed by a doctor to position the head and neck in a natural cervical curve, helping relieve upper shoulder and neck muscle tension. This sculptured foam pillow permits air flow for coolness and comfort while allowing the head to rest in a cradle. Made with 100% hypoallergenic polyurethane foam with an Ulti-mat surface.Available in Standard, Queen and King pillow sizes. * Materials Used:Hollow Core; Foam Pillow Surface |