HLDIRECT Ergonomic Gaming Chair with Footrest & Headrest, Adjustable Height Office Chair

We've inserted the individually pocketed springs from mattresses into the gaming chair's seat cushion; Special-tuned, each spring flexibly adjusts based on force points, jointly enabling precise weight distribution; Wrapped with 45D high-quality, high-resilience sponge outside, it ensures no collapse during long sitting and buffers vibrations subtly; This guarantees no sagging during long sits, buffers vibrations subtly, and offers a cloud-like comfort; Their shape and support duration are 50% longer than traditional materials; The chair cushion's surface air holes boost the spring system's load, cut noise, and enhance sitting feel