Protect your spine and solve your problems, just give you a scientific healthy sleep. COZSINOOR pillow conforms to the physiological curvature of cervical vertebra. It is the S-shaped spinal posture in which the human body stands. Only in this way can we reduce the physical burden of sleep, insomnia and fatigue. After more than 5 years of careful research, COZSINOOR have collected tens of thousands of user experience and feedback optimization, more than 10000 sleep experiences, and created perfect sleep with ingenuity. Healthy Filling & Skin Friendly Superior pillow with the right density provide your neck good support. Get the experience five-star hotel luxury at home every night. Plush Breathable Cooling Cover Exquisite design for elegant look, the breathable cooling cover ensure you a comfortable and healthy night’s sleep. Sturdy & Durability Edges are reinforced stitching can avoid stuffing leaking. High-quality materials keep their shape without bunching or distorting. How to Quickly Fluff up the Pillows? A Tennis Ball: The pillows are packaged in a vacuum bag. Please spread it for 24h before use. Or you can try to put a tennis ball in the dryer with the pillows, making the pillows even fluffier. Recommended Temperature: It is recommended to set the dryer at 40℃ Tips for fluffing up pillows Flapping and squeezing the pillows from four sides to make them more fluffy. Tips for fluffing up pillows Flapping and squeezing the pillows from four sides to make them more fluffy. Tips for fluffing up pillows Flapping and squeezing the pillows from four sides to make them more fluffy. Dry with Tennis Balls Squeeze the Pillows Hit the Pillows Fold the Pillows