Fits your head and neck: 70 x 40 cm. The center is 3 cm high for a comfortable fit around the neck when lying on your back, while the sides are just 5 cm high for side sleeping. The gentle curves allow for smooth turning. We've answered your requests: This special pillow was created with feedback from eight professionals and your feedback, including requests like "I want to be able to turn over smoothly" and "I want it to be easy to wash." [Just right] pillow: The firmness and firmness are just right. It's breathable and machine washable, making it perfect for everyday use. We're here to answer your sleep needs. [Dee-Breath Co., Ltd.] Dee-Breath was born from the phrase "DEEP BREATH." We develop a variety of soothing products, inspired by the desire to help you relax and unwind, like taking a deep breath, in the midst of your hectic lifestyle. [About Dr. Good Sleep] Dr. Good Sleep launched in 2005 as a special Dee-Breath brand. Dr. Kaimin personally plans the products, visits the production areas, shares his thoughts with the artisans, and creates his products. He always strives to be one step above the rest, working hard in planning and development, and fulfilling his responsibilities as a professional.