2-in-1 neck pillow with adjustable height and firmness to suit your preferred sleep position, whether you like a high loft or a low profile and a soft or firmer feel. Memory foam core conforms to the shape of your head and neck, reduces pressure points, and helps relieve muscle tension and pain for better sleep quality. Slow rebound design allows the pillow to gradually return to its original shape, providing consistent support night after night. Breathable construction dissipates heat and moisture to help you stay cool and sweat-free through the night. Designed with input from sleep experts to support the cervical spine and promote deep, restorative sleep. Suitable for various sleep positions; height and firmness adjust according to your sleeping position, head and body size, weight, and shoulder width to ensure a comfortable, gentle breathing experience. Use scenarios: - Back sleepers needing targeted neck support for spinal alignment. - Side sleepers requiring higher, firmer support to maintain proper alignment. - Home or travel use, offering reliable comfort on different beds.