Brain Sleep Pillow newwave Neck Fit Pillow I bought this to try it out, but the height doesn't suit me, so I'm selling it unused. Beautiful item, stored well ✨ (Mesh cover and dedicated bag included) Born from Stanford's best sleep, it boasts outstanding breathability, cooling the brain for faster and deeper sleep. Eliminates the problem of "not fitting" with a fit that surpasses made-to-order pillows. Easy to wash with a shower and simply leave it in a well-ventilated place for 15 minutes. You can restore its fluffiness even if it flattens by pouring hot water over 45 degrees Celsius onto the pillow. You can use it either way up to adjust to your preferred height. Made-to-order level of fit. The adjustment layer will fit your head's weight and size over a week. It becomes your own custom-made pillow. Easy to turn over in bed. The neck area is soft and sinks in easily, while the sides are slightly firmer, fitting snugly even when sleeping on your side. Modern people overuse their necks due to smartphones and desk work, gradually losing the ideal neck wave and resulting in a straight posture. Neck misalignment causes various ailments (neck and shoulder stiffness, headaches, dizziness, insomnia, eye strain, inability to concentrate). To solve this problem and support a creative daily life while coexisting with digital technology, BRAIN SLEEP PILLOW NECK FIT was born. (3 Technologies) ① Ergonomic design: Restores the neck to its ideal wave while you sleep. ② Super breathability: Keeps you from getting stuffy and allows you to sleep soundly until morning. ③ Washable and always clean: Clean & Sustainable