About this item If you are still struggling to find the right height pillow, our cervical pillows have 2 different heights on both sides to choose from, so you can choose the right pillow that better suits your sleeping posture. And there are specific grooves that allow your arms to sleep comfortably underneath. This pillow is suitable for all kinds of sleeping postures, such as stomach, back and side sleeping. The butterfly pillow has been carefully designed with six unique areas specifically engineered to fit the natural curves of your body. Combining the benefits of traditional pillows, the inclined 15-degree hollow surface cleverly supports your head while maintaining the natural curve of the neck and perfectly aligning your spine. Wake up feeling fresh!