This ergonomic cushion is made with breathable mesh material. Despite its compact size of approximately 40cm x 30cm, it reduces the burden on your lower back and buttocks, providing comfort even during long periods of sitting. Simply place it on your office chair or home chair, and your seating comfort will be significantly improved. The black color offers a simple and calm design that blends well with any interior. This cushion combines practicality and design, pursuing comfortable seating.