If your sleep changes every night, your everyday life will change. A high-performance, Japanese-made pillow developed by applying the theories of the sleep bestseller "Stanford's Best Sleep." Used for about 3 days, it's almost like new. 【Product Description】 [BRAIN SLEEP] Brain Sleep Pillow Neck Conditioning Accessories: Pillow cover, red bag Purchase price: 33,000 yen 【Product Overview】 Brand: BRAIN SLEEP Size: Neck Conditioning Material of filling: Polyethylene Material composition: 100% Polyethylene Shapes your neck into an ideal curve, conditioning your body while you sleep. By correcting the straight neck into the correct curve, the muscles around the neck relax. Equipped with a hard gear to firmly support the extended neck, it guides the cervical spine into the correct curve, firmly supporting and conditioning the head and neck. Just as your body's condition differs every day, so does your neck's condition. The double-stretch structure with varying strengths allows you to use it according to your neck's condition each day. When the neck curves correctly, the chest opens, and the airway becomes easier to expand. Everything shown in the photos is included, so please check and consider purchasing if you are satisfied. ※ Many transaction records, many positive reviews. We strive for careful shipping and communication. ★Free Shipping★ ★Instant purchase OK★