Key benefits - Ergonomic contoured memory foam pillow supports the head, neck, shoulders, and back, promoting proper spinal alignment and comfortable position changes through the night. - Helps relieve neck and shoulder pain by maintaining alignment, improving blood flow, reducing pressure, and easing muscle tension. - Adjustable height for personalized comfort: two thickness options by rotating the pillow 180 degrees, with a removable bottom insert for additional height adjustment. - Designed for varied sleep styles, including stomach sleeping, with winged armrests to support the arms and prevent numbness, and ear holes to reduce friction and pressure on the ears. - Breathable, removable pillowcase: high‑quality double-layer cover that is soft, breathable, skin-friendly, and machine washable. Design and adjustability - Butterfly cervical pillow combines the benefits of traditional bed pillows and contour pillows for enhanced head, neck, and shoulder support. - The two thickness levels allow quick height changes without compromising alignment; simply rotate the pillow 180 degrees to switch contours. - An additional removable insert at the bottom provides more height options for a customizable fit to your sleep style. Pain relief and alignment - The pillow is engineered to naturally align with your curved spine, ensuring consistent support throughout the night. - By maintaining proper spacing and contouring around the neck and shoulders, it helps reduce pressure points and tension that can lead to waking with pain. Comfort features - Armrest wings offer support for arms when lying on the stomach, helping prevent numbness or discomfort. - Ear holes minimize friction and pressure on the ears, enabling smoother turning and movement during sleep. Materials and care - Core: memory foam designed to conform to the head and neck for stable support. - Cover: breathable, double-layer pillowcase with a zipper; removable and machine washable; skin-friendly fabric that stays soft with use. Use scenarios - Side sleeper with neck and shoulder tension: use the higher contour and maintain spinal alignment for a refreshed morning. - Stomach sleeper seeking arm comfort: utilize the winged design and ear-friendly features to reduce pressure and numbness. - Sleep style changes or travel: switch height by rotating the pillow and/or using the removable bottom insert to maintain comfort and support as needs vary. Care instructions - Remove the pillowcase before washing; machine wash cold on gentle cycle and air dry to preserve fabric integrity. - Pillow itself should be spot-cleaned if needed; do not expose to high heat.