The Putnam Pillow comes in three different thicknesses to support different body shapes and shoulder widths:
• Child recommended for children and petite adults.
• The Royal (medium) recommend if you usually prefer the support of one standard pillow.
• King (large) recommend if you usually prefer the support of two standard pillows.
• Royal Extra the same as the Royal (medium) but for those that prefer a wider pillow.
• Travel Pillows are shorter in width, ideal for travel