Because back sleepers are more common than any other type of sleeping style, the size of this pillow has so many options. Here are some available sizes you can choose:
Standard: They usually measured about 20″ x 26″
Super Standard: Typically sized in 20″ x 28″
Queen: Commonly comes in 20″ x 30″
King: Available at 20″ x 36″
Body pillow: Can be chosen between 54″ x 20″ or 48″ x 20″