Ergonomic SLEEPSIA donut-shaped cushion crafted from cool gel-infused memory foam. Designed to relieve pressure on the tailbone and lower back during prolonged sitting—with breathable mesh cover. Ideal for car seats, office chairs, wheelchair seating. Available in sleek black at a deep discount on Nykaa Fashion. https://www.nykaafashion.com/sleepsia-memory-foam-cool-gel-donut-pillow-pain-seat-support-for-lower-back-black/p/14395715