Enjoy either a reviving moist warmth or an invigorating chill with our Eucalyptus (with a touch of lavender) scented neck pillow. Heat in the microwave or tumble dryer. Chill in the freezer. The cover can stay on...it has a plastic zipper! Approximately 14" diameter and weighing approximately 2.5 pounds, the ultra-soft cover can be removed and thrown into the wash in warm water/dried on medium heat. Removeable, washable cover Therapeautic Moist Heat Chillable Aromatherapy