The most comfortable gel memory foam seat cushion features a non-slip rubber bottom, built-in handle for easy transportation, and a machine washable zipper closure velvet cover for convenient cleaning. Made from high-quality, durable memory foam with a cooling gel layer on top for enhanced comfort. Ergonomically designed to support the tailbone and reduce pressure on the coccyx, this cushion promotes healthy posture and helps relieve discomfort associated with prolonged sitting. It is engineered to naturally support leg positioning, encourage proper blood circulation, and conform to the shape of the hips. Provides relief from lower back pain, sciatica, and discomfort related to herniated discs, coccyx injury, and other spinal conditions. Ideal for use in offices, during driving, travel, or at home. Suitable for use on office chairs, car seats, wheelchairs, and other seating types. Features a high-density space memory foam core that offers full, three-dimensional support and evenly distributes pressure across stress points. The upgraded gel core is designed for optimal comfort, temperature regulation, and rapid heat dissipation. Available in two sizes: 45x35x7cm (non-silicone version) and 45x35x6cm (gel version). Note: This product description contains only factual and compliant information in accordance with Amazon's content policies.