Innovative 3 Composite Materials for Balanced Support & Cool Softness: AUVON's team conducted market research on seat cushions for office chairs and discovered that users needed a balance of firm support and softness. As a result, the team innovated a chair cushion with a new hybrid mix of soft-cloud and extra support memory foam with a gel layer, achieving an ideal balanced cooling comfort for long sitting Long-sitting Pain Relief: This pressure relief seat cushion is a great option for most people who sit on a chair for long periods. The cushion for office chair can help relieve body fatigue, lower back discomfort, tailbone pain, sciatica and other spinal issues caused by sitting (NOT for use during severe hemorrhoid flare-ups) Large Gel Layer for Long Cooling Effect: Sitting on a stuffy surface and constantly sweating can irritate the skin and contribute to heat rash development, or exacerbate hemorrhoids. Different from normal memory foam cushions, this tailbone pain relie