BEST MEMORY FOAM SEAT CUSHION - Tailored Comfort: Our memory foam office chair cushion is designed to mold to the shape of your hips, offering natural support while minimizing pressure on sensitive areas. Ideal for individuals who sit for extended periods, it provides the perfect balance of softness and firmness for all-day comfort. - Pain Relief: The cushion features an ergonomic "U" cutout to alleviate pressure on the lower back, coccyx, and lumbar region, promoting a more relaxed sitting posture. It aids in relieving sciatica symptoms and enhancing blood circulation, helping you stay energized throughout your day. - Versatile Compatibility: This lightweight cushion is suitable for various seating options, including car seats, gaming chairs, office desks, and wheelchairs. Its portability makes it an excellent choice for comfortable seating wherever you go. - Practical Design: Equipped with a non-slip rubber bottom, the cushion stays securely in place during use. The washable zippered velvet cover allows for easy cleaning, and the built-in handle makes it convenient to carry. - Optimal Size and Support: Measuring 18" x 14" x 1.8", the cushion fits most chair types. For best performance, we recommend a weight of 230 lbs or less, as increased weight may affect support levels. - Everyday Use Cases: Perfect for busy professionals needing comfort in the office, long road trips, or intense gaming sessions, this cushion is designed to enhance your sitting experience no matter where you are. - Customer Commitment: Enjoy lifetime customer service with this product. Please allow up to one week for the cushion to regain its shape, and 1-3 weeks for you to adjust to its feel.