LARROUS Seat Cushion for Office Chair - Cooling Honeycomb & Memory Foam 17.3" x 2.75" Tailbone Pain Relief Cushion, Ergonomic Desk Chair & Car Seat Cushion for Sciatica (Black1)

["【DUAL-LAYER COOLING TECHNOLOGY】 Stop suffering from sweaty, uncomfortable seats. Unlike standard foam cushions that trap heat, our seat cushion features a Honeycomb TPE Layer for dynamic airflow and breathability, keeping you cool and dry during 8+ hours of office work or driving.","【ULTIMATE TAILBONE & SCIATICA RELIEF】 The innovative U-shaped ergonomic cut-out suspends your coccyx to eliminate direct pressure on the tailbone. Specifically designed to provide relief for sciatica, lower back pain, and hip discomfort caused by prolonged sitting.","【OVERSIZED 17\" DESIGN & 2.75\" THICKNESS】 Measuring 17.3 x 17.3 x 2.75 inches, our cushion provides a larger seating surface and superior support than standard pads. The upgraded 2.75-inch profile ensures it won't \"bottom out\" or flatten, providing consistent comfort for users of all sizes.","【100% PREMIUM HIGH-DENSITY MEMORY FOAM】 Crafted with professional-grade slow-rebound memory foam that maintains its shape. The non-slip rubber bottom ensures the pad stays firmly in place on any office chair, car seat, wheelchair, or gaming chair.","【MACHINE WASHABLE & PORTABLE DESIGN】 Features a durable zippered cover that is fully machine washable for easy cleaning. Ideal for the office, home, car, or air travel. Perfect work-from-home essentials for men and women seeking all-day comfort."]