Dr. Breus Hybrid Pillow Classic pillow design features micro denier fiber fill for down-like softness and comfort with hypoallergenic protection Inner foam core cradles the head and neck for added support, pressure point relief and proper body alignment A removable, machine washable pillow cover that blends 300TC sateen cotton with patented Coolmax polyester for a softer and cooler sleep surface Ultra-Fresh anti-microbial treatment provides long-lasting protection from dust mites and allergens for a cleaner, healthier environment Crafted using a patented Variable Pressure Foaming (VPF) Process: Promoting a healthy environment with our manufacturing process