This Royal Elite European Down Pillow is filled with duck down sourced from Europe. Due to the cold climates in European region, down from this area has higher fill power with superior insulation. It provides more stable and consistent supports to the neck and head. European countries also have strict regulations and quality standards for processing and treatment of down. This ensures that the down is clean and sanitized to high standards, reducing allergens and enhancing its hypoallergenic qualities. The softness and comfort can contribute to a luxurious sleep experience. This medium soft pillow is ideal for side and back sleepers. Standard 20 x 26'', Queen 20 x 30'', King 20 x 36''.