Posture Improvement Just by Sitting: Maintains the natural S-curve of the spine with a 3D support structure born from AI motion analysis of 5,000 cases. New TPE Material: Amazingly soft and supportive elasticity. Gel cushion structure makes it comfortable to sit for long periods. Ergonomic Design: W-shaped design to support the pelvis, non-slip structure for stable sitting. Comfortable Breathability: Over 1000 honeycomb structures for breathability, comfortable all season. ・Lightweight and easy to carry ・Can be used on floors, chairs, and sofas ・Excellent breathability! Designed to prevent stuffiness ・4-zone structure that firmly supports the back muscles, spine, psoas major, and hips ・Naturally corrects posture and helps with lower back pain and slouching