The Green Nest Natural Rubber Pillow is filled with a solid piece of natural rubber that will mold to your neck to offer optimum cervical support. Available in both our regular and contour shapes, this pillow has a removable organic cotton cover that is pre-shrunk and fully machine-washable. Provides soft support for the head and neck. Antibacterial, Hypoallergenic, and dust resistant. Heavy-duty 100% Organic Cotton cover and 97% pure Natural Rubber Filling! More Info