Versatile Foam Pillow Provides Support Alleviates Head and Neck Pain. The secret to the Double Core foam pillow's versatility lies in the second foam core giving you two levels of neck support. Properly supporting your neck in its most natural position as you sleep helps re-establish the proper curvature of your neck. This in turn helps alleviate the symptoms of tension headaches neck muscle spasms and arthritis and eliminates the cause of snoring. The pillow preserves treatment benefits and ensures long-term health. The Double Core is made from high-quality precision-cut foam with two cores each with its own level of support which lets you choose the level of support that is right for you at any given time. Measures 22 16 (48 cm 36 cm). Removable pillowcase included. Care Instructions: Pillowcase Wash in cool soapy water. Tumble or line dry.