TOP 2 - The second best TMJ pillow with a unique stitching design. Support area, height, size, and high density of memory foam 3s sluggish rebound When sleeping on your back or side, memory foam can offer gentle and firm support that conforms to the curves of your body, maintaining the healthiest possible position for your cervical vertebra, spine, and breathing passages. reducing cervical tension, headaches, sleeplessness, and snoring. remarkably raising the standard of sleep, leaving you feeling renewed and active every day. The 3S slow rebound memory foam is superior in terms of support, comfort, and temperature regulation. Not only does the top layer of memory foam reduce neck fatigue, but it also helps maintain a stable body temperature throughout the night. Technical Features: 1. 6.7" size side sleeping side 2. 100% high-density 3S slow rebound memory foam 3. A double-layer breathable cloth cover PROS🟢 Ergonomic and soft Comfortable and mild CONS🔴 Might be not very convenient for stomach sleepers.