Filled with over 65 million air-infused microbeads that automatically adjust to your sleeping position. •Unbelievable auto-adapting support for your head, neck and shoulders. •Tri-chamber design provides extra comfort however you move. •Stay cool material: breathable spandex liner provides cooler sleep. •Helps to avoid snoring by allowing the proper alignment of the air passages •Helps to avoid headaches as well as neck and shoulder pain.