Specification: Extra thick cushion with better elasticity,Come with Anti-Skid particles on bottom to keep it in place. The 3d Breathable Mesh Cover with smooth zipper, which is removable and machine-washable. Fit on Office Chairs, executive chair, truck or car seat, wheelchairs, and most types of chairs and seating Safe Natural Latex Material: Latex Seat Cushion is made of natural latex which is extracted from rubber trees. It's healthy to body and environmentally friendly, anti-allergy and non-toxic Comfortable and Soft: Latex material has high resilience than memory foam, which provide a soft support and maximum comfort. Ergonomically design helps reducing pressure on the coccyx and tailbone, provides lower back & sciatica pain relief Better Breathability and Cooling: Latex chair pads have better breathability than Memory Foam cushion. Pin-hole technology and the hollow part design help provide air ventilation, keep you cool and dry for long hours work or driving Durable a